Claytonia rubra, what is that? pt. II

Hi, all — I’ve decided to switch things up and simply chat with you a bit about a topic that has apparently been the most popular on my blog so far: Claytonia rubra (Howell) Tidestrom. You may find yourself now asking the question, “Claytonia rubra, what is that?” Well, there’s a blog post for that.

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Claytonia rubra photographed while flowering, plants growing abundantly in the Pinyon-Juniper belt on the Modoc Plateau, northern California.

But Claytonia rubra may be more than meets the eye, especially if you’ve been paying close attention to it where it grows in different areas, or if you’ve been so lucky as to see it from across its entire geospatial distribution. Let’s think about this for a minute, considering first the global range of Claytonia rubra.

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Range map from Flora of North America Treatment by Miller and Chambers (2003).

It is across this wide and ecologically diverse distribution, north to south from British Columbia to near (probably in) Mexico, and west to east from the San Francisco Bay Area to the Black Hills of South Dakota, that the annual Claytonia rubra displays a seriously diverse range of morphologies. Is it phenotypic plasticity? Is it local adaptation? Is it speciation? Is it hybridization? Is it some mix of all of these? Claytonia rubra is a tough cookie to crack!

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Claytonia rubra photographed while flowering on the Modoc Plateau, northern California. Notice the largest leaf blades (outermost in the rosette) are among the first to have emerged in early development — These lay flat on the ground surface (or nearly so)

Starting with identification, something I’ve found to be fairly characteristic of Claytonia rubra is that its older leaves (outermost in the rosette of basal leaves), which often have the largest blades, tend to lay flat on the ground — some close relatives (like certain subspecies of C. perfoliata) do this too, or something like it, so don’t take this for a smoking gun. Furthermore, some races of C. rubra do not have basal rosettes that lay flat, rather they are elevated ever so slightly above the forest floor. Don’t you just love those kinds of dichotomous key breaks? — Is is erect to ascending (sometimes spreading), or ascending to spreading (sometimes erect)?! — Still, if you see something in the mountains of western North America like in the picture below, where the outermost (older) leaves in the basal rosette lay flat, appressed to the ground, you can be fairly confident that you are looking at something that is quite appropriately called Claytonia rubra.

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Vegetative Claytonia rubra photographed at the Tejon Ranch in the Tehachapi Mountains, southern California.

For effect, compare the leaves of Claytonia rubra plants in the above picture with the leaves of the plant in the picture immediately below, C. perfoliata, both of which were photographed at the Tejon Ranch in somewhat close proximity (either side of the same mountain ridge) — see how Claytonia perfoliata (below) tends to elevate its leaves off the ground?

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Vegetative Claytonia perfoliata photographed at the Tejon Ranch in the Tehachapi Mountains, southern California.

The characteristic of Claytonia rubra have low-growing leaves seems pretty useful, until you come across a putative lineage (sometimes in the same mountain range!) that looks like the plant below — these plants have distinctly erect / ascending leaves, although the proximal portion of their petioles are still appressed to the ground. This gives the leaves a sort of ‘S-curved’ look. Believe it or not, these are another subspecies of Claytonia rubra!

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Claytonia rubra photographed while flowering at the Tejon Ranch in the Tehachapi Mountains, southern California.

This is a time where it comes in handy to know a few other characters that, when used in combination, can help to distinguish Claytonia rubra from similar-looking miner’s lettuce.

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Classic, beet-colored (reddish to purplish) undersides of basal leaves of Claytonia rubra. Whenever possible, try to observe this character in multiple plants — Generally, the basal leaves should be deep green adaxially and reddish abaxially in Claytonia rubra.

For example, the plants photographed above demonstrate another conspicuous characteristic of most lineages of Claytonia rubra — betalain pigmentation is generally evident on the abaxial (lower) surfaces of the basal (and sometimes cauline) leaves, giving them a purple/reddish appearance. This is a sort of ‘no-brainer’ character I tend to point people towards, but just as with the characteristic basal leaf orientation I mentioned above, this morphological character doesn’t always hold true. Plants love exceptions WAY MORE than rules: in this particular case there appears to be an environmental element to variation in Claytonia betalain pigmentation, as evidenced by some unpublished observations I have made in common garden experiments involving C. perfoliata, C. rubra, and some perennials in the C. “peirsonii” complex.

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Variegation on foliage characteristic of some lineages of Claytonia rubra.

OK, so the leaves are sort of laying flat, and kinda red undeneath, but you’re still not totally convinced you are looking at Claytonia rubra and not some other similar-looking miner’s lettuce. Well, you’re in luck — I’ve noticed that many races of Claytonia rubra tend to have the look of variegated leaves, possibly related to a breaking up of the cuticle during development. If you see something like the plant in the picture(s) above, where there are variegated streaks on the leaves of a Claytonia, it is VERY likely that you are indeed looking at Claytonia rubra.

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[From left to right, Claytonia parviflora, C. perfoliata, and C. rubra!] Multiple miner’s lettuce species growing in sympatry in Mill Creek Canyon, San Bernardino Mountains, California.

IF you still can’t be sure about which Claytonia you are looking at — just ask me! That’s what I am here for…

And now something different…

It has been a while since I blabbered about the cotyledons of Claytonia, but I want to let you all in on something I find VERY interesting…IMG_1521… so maybe we should start with a survey, to see what you think. How many cotyledons do you think Claytonia have? Keep in mind, they are dicots.

Claytonia saxosa seedlings2013-12-01 12.10.10If you guessed that Claytonia have 2 cotyledons, you’re right… but you’re not the only one that is right. Technically, those of you that guessed Claytonia have only 1 cotyledon are also correct — that’s right, there is in fact a group of dicots with only 1 cotyledon (probably several, but that question exceeds the scope of this blog post). Claytonia Section Claytonia, otherwise known as the tuberous perennials, lack a second cotyledon present in other species of Claytonia (and all of their closest relatives). To me, this is just another reason why you should believe that Claytonia is the whackiest group of plants this side of the Mississippi River. 😉

IMGP9244So who cares, there has been a loss of one of the cotyledons in this group of plants. One time only evolution, and now these plants simply can’t recover that lost cotyledon — I’m over it… right? WRONG! There is something fishy going on here, and it has to do with a certain caudicose perennial I have mentioned before: Claytonia megarhiza (pictured below).

IMG_4012IMG_4025You can see from the second image (the photo immediately above) that Claytonia megarhiza clearly has two cotyledons, not one like the tuberous, perennial Claytonia species I mentioned before. Thus, you’d expect that this species is more closely related to those other Claytonia that have two cotyledons, right? Well…

Print Trees PreviewAbove is a preliminary phylogenetic tree that I presented at the Botanical Society of America Meeting this year in Edmonton, Alberta, Canada. This tree has been developed from ~500 single nucleotide polymorphisms isolated from the nuclear genome of all of the samples included (using ddRADseq). You can see from the tree that the caudicose perennial C. megarhiza (indicated by [morphologically similar, but anatomically quite different] cartoon carrots ) clearly has a close association with the tuberous, perennial Claytonia, albeit the exact area in the tree where they will stabilize is still yet to be determined. Without question, Claytonia megarhiza is nested somewhere in this clade of otherwise tuberous, perennial Claytonia.

So how did C. megarhiza find itself with 2 cotyledons while all of its closest relatives (including those diverging away from the lot much earlier in evolutionary history) have only 1? If you have the answer… I would love to hear it from ya! From my perspective, it is a question that is ‘to be determined’ but I am hopeful that my dissertation will change things. 😉

Oops, that took embarassingly long: UPDATE on what’s new with western Claytonia

IMG_0850First off (technically second, after the eye candy above), I need to announce that my research on Claytonia (Montiaceae) has been recently funded [yay!] by the National Science Foundation. You can see the abstract here for #DEB1502085:

http://www.nsf.gov/awardsearch/showAward?AWD_ID=1502085

Second (yes, I know, technically third), we should play my favorite game: compare the above eye candy with the below ridiculously beautiful [spring] beauty… SAME? or different. 😉

IMG_2978Now before you answer to yourself, consider that the Claytonia in the above two pictures are considered in the current taxonomy to be the same as the plants in the below picture, all being C. lanceolata [for now]. IMG_2834Check out the variation in those leaves!!! Who cares about the flowers, right? No way…IMG_0865IMG_7563IMG_2825The three photos immediately above correspond respectively with the same three putative taxa [let’s call them operational taxonomic units] in the first three pictures of this blog post. So? SAME or different? Feel free to vote at the bottom, and I welcome any feedback or discussion — I can’t say it all in 140 characters or less.

Third [ok, let’s stop with the sequential nonsense], I took an epic trip across California, Nevada and Oregon during the spring months of 2015 as part of #DEB1502085. While on this trip, I photographed new, mind-boggling [taxonomically speaking], tuberous Claytonia. Almost immediately after that, I took another most epic trip across California, Nevada, Utah, and Colorado (with guest appearances in Arizona and Wyoming) with ‘Los Caryophylleros’. Let’s just say, I can’t wait to get my new morphological and molecular data (RADSeq X 2) up to speed…

Lastly [HA! I win!], I’ll finish this [short] commentary with what has been the most difficult collection of photos I’ve ever had to select from for the purpose of sharing, then I need to finish preparing for presentations at BOTANY and the Caryophyllales meetings…

IMG_1648IMG_1815IMG_2120IMG_2266IMG_2280IMG_2297IMG_2585IMG_2598IMG_2696IMG_2821IMG_2944IMG_2985IMG_3223IMG_3256IMG_3520IMG_3578IMG_3582IMG_3665IMG_3728IMG_3756What a wild ride!!!

Hybridization — are generalist pollinators the key to success?

I’ve been on a bit of a rant lately concerning hybridization in plant species complexes, which recently resulted in my last post suggesting hybridization could be a potential ‘solution’ to the problem of an ever-changing climate. I want to dig a little deeper now and ask the questions — can generalist pollinators have anything to do with the maintenance of a generalized floral form in Claytonia? If so, can this indirectly act as a selective force for increased hybridization among distantly (and closely) related species? If you have seen the ‘face shots’ from a recent ‘Spring Beauty Pageant‘ than you know what I’m talking about. Maybe you’ve even suggested to a friend, because Claytonia grow like weeds where you are from, that you believe there to be little variation in floral form among species in the genus. I’d agree with you, to a certain extent… but then again, maybe there is so much intra-population variation in floral morphology (coloration, petal shape) that we are blind to see the true pattern of differentiation in floral form among closely related taxa. I’ve touched upon the subject of within-population variation of the flowers of one member of the C. “peirsonii” complex from the southern Sierra Nevada, but now I want to expand on this subject with photographs taken within a single population of C. lanceolata sensu lato on the Great Continental Divide in Montana. As you can easily tell from the first picture below, in which all of the white spots are Claytonia flowers, it is not difficult to conduct this sort of ‘experiment’ yourself. In other words, it is easy to get a lot of face-on photographs of Claytonia flowers because they occur in extremely dense populations. This spring, try to see how much your favorite Claytonia varies in its floral form — you may be surprised at what you find!IMG_8497IMG_8570IMG_8449IMG_8582 IMG_8453IMG_8458IMG_8477IMG_8478IMG_8531IMG_8547IMG_8516     Keep in mind that all of the above pictures are of plants that occur in a single population of C. lanceolata sensu lato on the Great Continental Divide in Montana. As evidenced by the last photograph, even merosity can go haywire from time to time. If I showed you just that last picture, you might even confuse the plants for Lewisia. That is a lot of variation! Are these hybrid plants of C. lanceolata (which has retuse petal apices) crossed with another species in the area with entire petals? Good question! Let me get back to you on that one…

All I know is that multiple Claytonia species can occur in sympatry, and intermediate forms can be found in those areas. This is especially true of the annual species of Claytonia. I haven’t observed putative hybrids among the annuals (i.e., the miner’s lettuces) and tuberous perennials (i.e., C. lanceolata species complex), although I have observed them sharing pollinators in southern California. Pictured below are soft-wing flower beetles (Melyridae) visiting both C. rubra (section Limnia, first picture below) and C. “peirsonii (section Claytonia, second picture below) at the same location on the same day in the southern Sierra Nevada, California. You might remember from one of my very first posts: these pollen eaters are quite effective pollinators.

IMG_5457 IMG_5402Too many questions for a single dissertation to address, but I’ll see what I can do! 😉

It has been a while, but I’ve been busy…

photoIMG_8879Hey, all — I wanted to share a short post with you, some links that detail my activities in the field over the last two weeks in Idaho and Montana. I’ve been on the hunt for Claytonia, Silene, Boechera and Androsace in alpine areas across these two states, including my new favorite mountain range, the Sawtooth Range (pictures above). At the end of this trip in Idaho and Montana I got my first ever glimpse of the alpine Claytonia megarhiza (pictures below) — I’m beginning to think I should have selected that species for a more thorough investigation… I suppose there is life after dissertation, so maybe this can be my next problem child. 😉

IMG_8952IMG_8954My collaborator, Ingrid Jordon-Thaden, and I have been to some pretty spectacular places (see links below), but it is only going to get better (I think) when we head north to the Yukon (Canada) following the 2014 Botany Conference. I look forward to keeping you all in the loop!

first update: https://experiment.com/u/0gYspQ

second update: https://experiment.com/u/pdFliA

third update: https://experiment.com/u/itzIEA

Floral morphology in Claytonia: How much variation is ‘normal’ for a species?

Ok, so you may remember this recent post, where I asked for interested people to send me pictures of as many flowers as they could photograph…

The premise is simple: How much variation is considered the ‘normal’ or ‘typical’ amount of variation for a species? How much is typical in terms of petal shape, size, and color for individuals in a given population of tuberous perennial Claytonia?! My collaborators and I have noticed quite a bit of variation among populations of different species, but what may be even more interesting is the amount of variation within populations. It might bend your brain the next time you kneel down and take a look around at the tuberous perennial Claytonia blooming in your area (right now!!!)… Better yet, take a picture of 50-100 different flowers from directly facing the flowers (trying to center the gynoecium in the flower as best as possible). Compare all your photos, or send them my way. We’ll get to the bottom of this!

Enter stage left as ‘proof of concept’, a member of the C. “peirsonii” complex from the southern Sierra Nevada — all of the below pictures are from different flowering individuals within a single population, taken on the same day within about 45 minutesIMG_5421 IMG_5418  IMG_5404Note the visitors above: an ichneumonoid wasp (likely a parasitoid braconid) on the left, and a soft-winged flower beetle (Melyridae) on the right. We saw these same beetles last year, and I’ve also mentioned them in the ‘who’s pollinating Claytonia?‘ series — special thanks to Dr. Emile Fiesler for help with the identifications!IMG_5432IMG_5398IMG_5382IMG_5387IMG_5324IMG_5331IMG_5396The variation is crazy, right?!

IMG_5340I really need to get a new ‘cutest Claytonia‘ contest going soon…

Here today, gone tomorrow — Doyle and Doyle get a taste of the Desert Southwest Claytonia

IMG_5134IMG_5178Remember the above, beautiful plants photographed flowering a little over two weeks ago in Nevada? If not, see my previous blog post, ¡Holy frijoles!

Well, almost two weeks later Claytonia umbellata is apparently no longer flowering atop Peavine Peak outside of Reno — more snow has come (see below). These poor little guys are now packing on the pounds (and buds) getting very little exercise while they sit and wait for the warmth of a spring (beauty) day. It will come soon. In fact, I’d wager those little monsters are blooming now, as I’m writing from the comfort of my home in southern California. After all, the photographs below are from April 2nd, 2014, and these plants (desert Claytonia) are über-ephemeral. IMG_5739I’m so cold, I couldn’t possibly think of flowering right now…

Dr. Jeff Doyle, Cornell University, searching for the elusive flowering Claytonia.

Dr. Jeff Doyle (Cornell University) trying to stay warm while searching for the elusive flowering Claytonia.

Well, this disappointment came AFTER a morning of heartbreak — searching seemingly suitable habitat without finding plants. Do I really have a good idea of what suitable habitat is? Are they even capable of dispersing here? Let’s back up for a second…

IMG_5221Above is a picture of a location where I collected another population of Claytonia umbellata in the Pine Nut Mountains at Minnehaha Canyon on my spring break trip nearly two weeks ago — the talus I know and love, seemingly characteristic of the Desert Southwest Claytonia. Bearing that in mind, when I see a habitat like the one above, or the one pictured below, and I am very near the type locality of Claytonia umbellata in the area of Mt. Davidson Pass (Nevada), I have to stop and take a look, right? IMG_5724WRONG! There aren’t any Claytonia there (above), not even a C. rubra or C. parviflora ssp. viridis to cheer me up for making a bad call — Nothing! But it looks so good, and the rocks are the same as at Minnehaha Canyon… sample size of one strikes again with these guys. Ever heard the phrase, to each his own? Well, I’m beginning to think these Claytonia take that to the extreme. They are not very good at getting around (dispersal), or they have very picky palettes… or both.

We have just GOT to find some flowering Claytonia, I promised Jeff and Jane! The Doyles joined me for this trip (and to give a seminar at RSABG later), flying all the way out from New York. The Doyles have A LOT of experience with eastern Claytonia, but this western stuff was pretty new for them. We sat in the car on top of Peavine Peak thinking (and not eating) — what were we going to do? That’s it! I know another place we can try, but its further north…

IMG_5772Pictured above, a talus slope of volcanic rocks in the Pah Rah Range near Pyramid Lake, Nevada. Oh no! The sun will be setting in a few hours! We can try to climb that slide and run the risk of not finding any plants, or we can try to race up the canyon to get to a known locality before dark sets in… Jeff and Jane agree, it’ll be worth giving this hillside a good look over before we continue up the canyon.

IMG_5763And thank goodness we did — this area of talus was rich with numerous plants of Claytonia umbellata! We found a new locality for Claytonia umbellata, approximately one mile away from another known locality in the Pah Rah Range AND it was the large-leaved plants, like those seen in the Pine Nut Mountains at Minnehaha Canyon. Compare those to the plants from Peavine Peak (top of page), which happen to grow on different volcanic rocks!

Déjà vu — a feeling of having already experienced the present situation, independent of whether you have or have not experienced the situation or something like it… No idea what I’m talking about? See my “Claytonia rocks!”post — click here for more background information.

I still was unable, though, to fulfill my promise to Jeff and Jane Doyle — we had not yet found flowering Claytonia. There was one more chance to find flowering plants while in Nevada looking for Claytonia umbellata.This was a revisit for me, to a site in the Pine Nut Mountains where I was unable to locate a population on my previous visit. This population is near Bismark Peak, and as far as I can tell, it has not been documented by any herbarium specimen. I found out about the population by scouting CalPhotos for pictures of Claytonia — this population had been photo documented but never vouchered. I want to give a shout out to Larry Crawford, for giving me enough information to find some plants! I was not able to relocate Larry’s ‘secret patch’ of Claytonia umbellata atop Bismark Peak, but the Doyles and I were able to find a new population along the same ridgeline!

IMG_5782Believe it or not, and I’m sure to Larry’s delight, the plants here occur in a really unique habitat — I’m still working on the rock identification (volcanic, or sedimentary?). Crazy thing is, this Claytonia umbellata population consists of only a few plants scattered about in the cracks of the vertically oriented rocks (presumably oriented as such due to frost heaving) — they don’t seem to occur with the other rocks oriented horizontally.

IMG_5786Isn’t that just bizarre! but there were STILL no flowering Claytonia to be found… I was running out of options — a revisit to the population near the Devil’s Punchbowl County Park on Saturday before Jeff and Jane’s departure seemed the most obvious choice. Rather than visiting the Devil’s Backbone (where recent snows may have set plants back from flowering), I decided we should visit a lower elevation site. Would there be flowering Claytonia hanging on at the Devil’s Punchbowl, where I observed plants flowering on February 15th, 2014? (click here to see post, “Yep, it’s Claytonia time…”)

IMG_5816NOPE, it’s not Claytonia time here, at least not really anymore. There were some plants around with buds, but most of the C. lanceolata var. peirsonii here has dispersed its seeds and are beginning to wither back to their underground tubers. We did not find any flowering — I guess the Doyles will have to come back again next year, or meet me somewhere northward in a few more weeks!

We did at least find some flowering Claytonia rubra there, just in the nick of time. It was time to send Jeff and Jane back to New York. Although they may not have gotten to see (much) flowering Claytonia, at least they got to see some flowering California!

Spectacular desert wildflower bloom in the Mojave desert near Piñon Hills, highway 138.

Spectacular wildflower bloom in the Mojave Desert near Piñon Hills, highway 138.

 

 

¡Holy frijoles! You are just too cute, and too close to home…

OK, so I might just have a new favorite Claytonia after my most recent trip into the desert in northwestern Nevada. Let me just tell you something — in the Desert Southwest, spring has sprung! Just like my collaborator at Eastern Washington University (Dr. Robin O’Quinn), I think I am falling in love with the tuberous perennial ‘Great Basin Spring Beauty’ (C. umbellata) — photographed here on March 21st, 2014.

IMG_5178IMG_5195IMG_5134As Stevie Wonder might say, isn’t she lovely?!

It gets better… Also photographed on March 21, 2014, below are some pictures of plants from another population of C. umbellata that occurs on a different substrate in another mountain range nearby in Nevada.

IMG_5221IMG_5227IMG_5230There’s something funny going on here, and I’m going to get to the bottom of it…

Question for readers out there: Who thinks the above plants look similar to the below plants from southern California? Just wonderin’ about evolutionary relationships 😉

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Is it Spring (Beauty) time already?! pt. III

Oh yes, I think it is finally here… Spring Beauty time!!!

2014-02-22 10.47.31Pictured above is an emerging Claytonia “yorkii” plant, found growing in the southern Sierra Nevada at Cross Mountain (Jawbone Canyon) in Kern County almost two weeks ago.

2014-02-22 12.27.47Unfortunately, I didn’t find any plants flowering on this windswept ridge (all were emerging or in bud), so I tried my best not to disturb the ones I did find as I proceeded to dig up a few tubers. I managed to safely transport a few plants to their new homes at Rancho Santa Ana Botanic Garden (where I am conducting my research). To my surprise (I don’t have a green thumb by any means), the buds continued to develop and the first flowers are just beginning to open!

2014-03-05 09.46.18Now if I can just manage to get a few more species into the greenhouse in the near future, I might be able to try a crossing study or two. What I’m really interested in is whether or not these ‘strongly out-crossing’ tuberous perennials are capable of self-pollinating like many of their close relatives (such as in the Claytonia perfoliata complex).

2014-03-03 15.59.52So why should you care, exactly, whether or not it is Claytonia time?!

2014-03-04 12.56.14 Well… you can help me study something really fascinating about Claytonia, that’s why! Send me your pictures so we can get to the bottom of this — How much variation is typical in terms of petal shape, size, and color for a given population of Claytonia?! My collaborators and I have noticed quite a bit of variation among populations of different species, but what may be even more interesting is the amount of variation in petal morphology within populations of a species. It might bend your brain the next time you kneel down and take a look around at the Claytonia blooming in your area. Better yet, take a picture of 50-100 flowers from directly facing the flowers (trying to center the gynoecium in the flower as best as possible), and then compare them (or send them my way). Crazy, right?

2014-03-05 09.43.25This could turn out to be a very interesting experiment indeed 😉

…but only if you can get out into the field, and remember to send me your pictures of Claytonia!!! Eastern or Western species of North America, Northeastern Asian species, it doesn’t matter — show off your Spring Beauties!

Who is pollinating Claytonia in California?! pt. II

I am still thinking about pollination biology of the tuberous perennial species of Claytonia in southern California, which often have large flowers compared to the annual species in the area. I am making an effort to observe more pollinators this year after having so few observations in the last two years (see pt. I). I have yet to observe the same pollinator at any given locality in southern California for the five putative taxa in the C. “peirsonii” complex. What are they pollinated by? To me, it is all very interesting stuff and I’m happy to take what I can get here and there… but my collaborator Diana Jolles (credit all photos) set out on our previous hike to shoot as many pollinator photos as possible so we might get to the bottom of this. Thanks to Diana’s efforts, we are gathering more clues about who may be pollinating the tuberous perennial Claytonia of southern California, this time from the San Gabriel Mountains populations.

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The insect visiting the Claytonia flower above is a Greater Bee Fly (Bombylius major), a member of the Bombyliidae. It was spending a lot of time visiting each flower: what a fuzzy fly!

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Pictured above are some of Diana’s photos from our first observation of a solitary bee visiting any tuberous perennial Claytonia in southern California. This gorgeous, green, metallic organism is a member of the genus Osmia (orchard bees) in the Megachilidae. These are in the running for the coolest looking native bees in California in my book. Such amazing coloration!

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Lastly, above are Diana’s photos of a third insect visitor seen on February 15th, 2014 near the Devil’s Punchbowl County Park. This dark butterfly is a Duskywing (Erynnis), a member of the Hesperiidae (skippers). It was hard to get a shot as the butterfly hardly seemed to want to sit still, but Diana managed to sneak in a few good ones — thanks so much for all the pictures! I’d like to thank also one of my collaborators, Dr. Emile Fiesler, for identifications of these beautiful pollinators. I hope we can make more pollinator observations this year for all of the members of the C. “peirsonii” complex. Still no overlap in pollinators observed among the members of this southern California species complex, a group currently included in the broad circumscription of Claytonia lanceolata!