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    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. Leaflets, pedicels, fruits glabrous to sparsely long-soft-hairy; flower 1–2 per node ..... T. gracilis

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

2. Plant 8–25 dm; stem stout, erect

3. Fruit ascending, straight; lower pedicels 2–4 mm; leaflet lateral veins 12–16; Western Transverse Ranges (Santa Ynez Mtns) ..... T. macrophylla

3' Fruit spreading, curved; lower pedicels 4–8 mm; leaflet lateral veins 18–24; Klamath Ranges, Outer North Coast Ranges ..... T. robusta

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

4. Stipules ovate to widely ovate; inflorescence bracts < 15 mm wide; leaflet hairs not appressed; North Coast, North Coast Ranges, Central Western California ..... var. californica

4' Stipules lanceolate to ovate; inflorescence bracts < 6 mm wide; leaflet hairs appressed; Cascade Range, Western Transverse Ranges, s Peninsular Ranges (San Diego Co.), Modoc Plateau

5. Leaflet silvery, hairs straight; Cascade Range, Western Transverse Ranges, Modoc Plateau ..... var. argentata

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


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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