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Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Perennial, unarmed, generally hairy, rhizomed.
Stem: erect; lower nodes leafless.
Leaf: palmately compound; lower stipules clasping stem, scarious, others not clasping stem, green; leaflets 3, widely ovate to oblanceolate.
Inflorescence: raceme, terminal; bracts like stipules, ± persistent.
Flower: calyx lobes 5, upper 2 ± fused; corolla yellow; stamens 10, free.
Fruit: erect or spreading, slowly dehiscent, oblong, flat; base stalk-like base present; margin often wavy.
± 20 species: temperate North America, c&e Asia. (Greek: like a lupine) [Chen et al. 1994 Ann Missouri Bot Gard 81:714–742]
1. Lflets, pedicels, fruits glabrous to sparsely long-soft-hairy; flower 1–2 per node ..... T. gracilis
1' Lflets, pedicels, fruits long-soft-hairy; flowers generally 2–5 per node
2. Plant 8–25 dm; stem stout, erect
3. Fr ascending, straight; lower pedicels 2–4 mm; leaflet lateral veins 12–16; WTR (Santa Ynez Mtns) ..... T. macrophylla
3' Fr spreading, 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 ovate to widely ovate; inflorescence bracts < 15 mm wide; leaflet hairs not appressed; NCo, NCoR, CW ..... var. californica
4' Stipules lanceolate to ovate; inflorescence bracts < 6 mm wide; leaflet hairs appressed; CaR, WTR, s PR (San Diego Co.), MP
5. Lflet silvery, hairs straight; CaR, WTR, MP ..... var. argentata
5' Lflet velvety, hairs ± wavy; s PR (San Diego Co.) ..... var. semota
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [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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