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    Vascular Plants of California
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Key to Stephanomeria

View taxon page for Stephanomeria

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

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

1. Perennial herb from woody caudex or from stout or slender rhizome

2. Flowers 4–6(8); cauline leaves generally much reduced, bract-like, generally withered at flower

3. Plant from woody caudex; pappus bristles generally tan, plumose on distal 80% ..... S. pauciflora

3' Plant from rhizome; pappus bristles white, wholly plumose ..... S. tenuifolia

2' Flowers 7–21; cauline leaves persistent, green at flower

4. Plant from woody caudex; leaves 10–20 cm; young herbage tomentose; phyllaries many, graduated in several series; receptacle pitted ..... S. cichoriacea

4' Plant from rhizome; herbage glabrous or sparsely hairy; phyllaries in 2 series, inner long, outer < 1/2 × inner; receptacle smooth

5. Leaf margins not thickened, spines 0; leaves 3–8 cm; pappus bristles wholly plumose; dry forest, n California ..... S. lactucina

5' Leaf margins thickened, with minute spines; leaves 2–8 cm; pappus bristles plumose on distal 80%; East of Sierra Nevada, Mojave Desert ..... S. parryi

1' Annual, taprooted

6. Fruit without long groove on each face ..... S. virgata

7. Outer phyllaries appressed; flowers 5–6; California Floristic Province, Great Basin Floristic Province ..... subsp. pleurocarpa

7' Outer phyllaries reflexed; flowers 8–9; Outer South Coast Ranges, Southwestern California ..... subsp. virgata

6' Fruit with long groove on each face

8. Heads in small, ± open panicle-like clusters from nodes along branches; peduncles 10–40 mm ..... S. exigua (2)

9. Outer phyllaries reflexed – Central Coast, South Coast Ranges ..... subsp. carotifera

9' Outer phyllaries appressed

10. Peduncles, involucres densely glandular; South Coast, Peninsular Ranges ..... subsp. deanei

10' Peduncles, involucres glabrous or sparsely glandular; Great Basin Floristic Province, Desert ..... subsp. exigua

8' Heads 1 or in clusters on spreading peduncles <= 10 mm, from nodes along branches

11. Pappus bristles wholly plumose or at least to widened bases

12. Outer phyllaries reflexed (appressed); flowers 9–15; widespread ..... S. elata

12' Outer phyllaries appressed; flowers 5; Klamath Ranges, High Cascade Range, n Sierra Nevada, Modoc Plateau ..... S. paniculata

11' Pappus bristles plumose on distal 60–85%, widened at base or not

13. Flowers 11–13; fruit 1.9–2.3 mm; pappus bristles plumose on distal 80–85%, not widened at bases, entirely deciduous – South Coast, Channel Islands, Western Transverse Ranges, Peninsular Ranges ..... S. diegensis

13' Flowers 5–11; fruit 2.3–6.5 mm; pappus bristles plumose on distal 60–85%, bases generally widened, generally only bristle bases persistent ..... S. exigua (2)

14. Outer phyllaries appressed; peduncles generally 2–5 mm (<= 20 mm on Sierra Nevada eastern slope and to north and east); widespread ..... subsp. coronaria

14' Outer phyllaries reflexed; peduncles 5–10 mm; c&s Sierra Nevada Foothills ..... subsp. macrocarpa


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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