Although the variation in the Pyrola dentata species complex still breaks my brain, we have no more excuses for mis-ID of Pyrola — Revised key to the wintergreens of California.
What’s new in the key? Well, I added some information on how to identify P. dentata, P. aphylla, and P. cryptofolia, species that are currently missing from The Jepson manual: vascular plants of California (2nd edition) treatment by Gary D. Wallace & Erich Haber. Check it out!
Genus Pyrola (Ericaceae)
Habit: Perennial subshrub, evergreen, rhizomed. Leaf: ± basal, reniform, ovate, ± round, elliptic, or obovate, ± entire to crenate or dentate, generally petioled. Inflorescence: raceme, ± erect, not 1-sided, elongate; scape smooth, glabrous, bracts generally 1–several, deltate or lanceolate; flower bract 1 per flower, < to >> pedicel. Flower: radial, ± closed or subradial or bilateral, ± open, parts in 5s, free; petals without tubercles, upper 2 generally forming hood over upturned stamens; stamens 10, filaments generally widened at base, smooth, glabrous, anther generally with tube-like constrictions subtending pores; nectary 0; ovary superior, style ± included, straight, or exserted, downcurved, stigma peltate, with 5 spreading…
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