|University of California, Berkeley|
|Directory News Site Map Home|
Key to families | Table of families and genera
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 herb, unarmed, gland-dotted (especially leaves), hairy or not; caudexed, rhizomed, or stoloned, roots deep, woody, extensive. Stem: ± decumbent at base or erect. Leaf: odd-1-pinnate, cauline; stipules reflexed, deciduous; leaflets 3. Inflorescence: raceme, generally axillary, with 1 deciduous bract and 2–3 flowers per node. Flower: pedicelled; calyx conspicuously swollen in fruit; corolla cream to yellow; 9 filaments fused, 1 less so or free; ovary ± hairy, ovule 1, style tip bent, stigma head-like. Fruit: indehiscent, elliptic to depressed-obovate in outline, beaked or not. Seed: 1, reniform, smooth.
3 species: western North America, especially California. (Rupert C. Barneby, botanist, 1911–2000)
Unabridged references: [Grimes 1990 Mem New York Bot Gard 61:1–114]
1. Stipules 13–15 mm, widely elliptic to obtriangular; bracts 9–13 mm ..... R. hallii
1' Stipules 4–10 mm, ± elliptic, lance-linear to -oblanceolate, or triangular; bracts 3–7 mm
2. Calyx in flower 6–8 mm; banner 10–14 mm; fruit 4–7 mm, mucronate ..... R. physodes
2' Calyx in flower 9–12 mm; banner 14–15 mm; fruit 9–13 mm, with widely attached, < 3 mm beak ..... R. rigida
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].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.