Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

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  or from stout or slender 

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,  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 phyllaries many, graduated in several seriesreceptacle 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%; SNE, DMoj ..... S. parryi

1' Annual, taprooted

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

7. Outer phyllaries ; flowers 5–6; CA-FP, GB ..... subsp. pleurocarpa

7' Outer phyllaries ; flowers 8–9; SCoRO, SW ..... subsp. virgata

6' Fruit with long groove on each face

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

9. Outer phyllaries reflexed – CCo, SCoR ..... subsp. carotifera

9' Outer phyllaries appressed

10. Pedunclesinvolucres densely glandular; SCo, PR ..... subsp. deanei

10' Peduncles, involucres glabrous or sparsely glandular; GB, D ..... subsp. exigua

8' Heads 1 or in clusters on  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; KR, CaRH, n SN, MP ..... 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 – SCo, ChI, WTR, PR ..... 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 SN eastern slope and to north and east); widespread ..... subsp. coronaria

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


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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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