What's new in the key? Well, I added some information on how to identify P. dentata, P. aphylla, and P. crypta, 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. …
Cascadian species of Pyrola
While trying to understand relationships among populations of Pyrola picta by comparing DNA sequences, I came across a group of sequences that seemed to be divergent from the rest. The DNA sequences corresponded, at least loosely, to populations in the Cascade Mountains of Washington, Oregon, and northern California (Fig. 1) of plants that look like …