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

Key to Thermopsis

View taxon page for Thermopsis

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

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

1. Leafletsfruits glabrous to sparsely long-soft-hairy; flower 1–2 per  ..... T. gracilis

1' Leaflets, pedicels, fruits long-soft-hairy; flowers generally 2–5 per node

2. Plant 8–25 dm; stem stout

3. Fruit , straight; lower pedicels 2–4 mm;  lateral veins 12–16; WTR (Santa Ynez Mtns) ..... T. macrophylla

3' Fruit , curved; lower pedicels 4–8 mm; leaflet lateral veins 18–24; KR, NCoRO ..... T. robusta

2' Plant 3–8 dm; stem slender, ascending to erect ..... T. californica

4. Stipules  to widely ovate; inflorescence bracts < 15 mm wide; leaflet hairs not ; NCo, NCoR, CW ..... var. californica

4' Stipules  to ovate; inflorescence bracts < 6 mm wide; leaflet hairs appressed; CaR, WTR, s PR (San Diego Co.), MP

5. Leaflet silvery, hairs straight; CaR, WTR, MP ..... var. argentata

5' Leaflet velvety, hairs ± wavy; s PR (San Diego Co.) ..... var. semota



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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