Jepson eFlora: Key page
Vascular Plants of California
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Key to Holocarpha

View taxon page for Holocarpha

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

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  or minutely bristly;  bell-shaped to ± sphericheads 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;  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.) . Jepson eFlora, [accessed on ]

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

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