Jepson eFlora
Key to families | Table of families and genera

Key to Holocarpha

View taxon page for Holocarpha

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

1. Anthers yellow to ± brown

2. Stem notably stalked-glandular; phyllaries each with 25–50 pit-gland-tipped outgrowths and minutely sessile- or stalked-glandular and puberulent or minutely bristly; involucre bell-shaped to ± spheric; heads 1 or in panicle- or raceme-like clusters ..... H. heermannii

2' Stem resinous distally, not notably stalked-glandular; phyllaries each with (0)5–15(20) pit-gland-tipped outgrowths and generally glabrous or minutely sessile- or stalked-glandular (bristly); involucre ± obconic to ± spheric; heads in flat-topped or panicle-like clusters ..... H. obconica

1' Anthers ± red to dark purple

3. Heads 1, in tight groups, or in spike-like clusters of tight groups; ray flowers 8–16; disk flowers 40–90 ..... H. macradenia

3' Heads 1, at ends of branches, or in ± raceme- to spike-like clusters; ray flowers 3–8; disk flowers 9–25+ ..... H. virgata

4. Stem branches ± upcurved, ± pliable; peduncles 0–5(15) cm ..... subsp. elongata

4' Stem branches ± straight, ± rigid; peduncles 0–5+ cm ..... subsp. virgata


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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