Jepson eFlora
Key to families | Table of families and genera

Key to Osmorhiza

View taxon page for Osmorhiza

(For a list of species in Osmorhiza, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Fruit not long-tapered at base, glabrous; leaf 2-pinnate ..... O. occidentalis

1' Fruit long-tapered into tail at base, bristly; leaf 2–3-ternate

2. Involucel conspicuous; corolla ± green-yellow ..... O. brachypoda

2' Involucel 0 or vestigial; corolla white or purple (± green-white)

3. Fruit club-like, beakless; rays, pedicels spreading ..... O. depauperata

3' Fruit linear-fusiform or -oblong, beaked; rays, pedicels spreading-ascending

4. Ovary tip projection conic; disk 0; fruit 12–25 mm; corolla white ..... O. berteroi

4' Ovary tip projection depressed-conic; disk conspicuous; fruit 8–15 mm; corolla purple (± green-white) ..... O. purpurea


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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