familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusAstragalus
sectionAstragalus sect. Leptocarpi
speciesAstragalus rattanii
Astragalus rattanii var. rattanii
Endemic
Treatment appears in FNA Volume 11.
Revision as of 17:31, 12 March 2025 by imported>Volume Importer
Leaflets (5 or)7–11(or 13). Racemes 2–10-flowered. Flowers: calyx tube 2.7–3.4, lobes 0.9–1.7 mm; corolla pink-purple, wing tips pale; banner (9.2–)10–12 × 4.9–6.4 mm. Legumes (21–)25–50(–57) mm. Seeds (11–)14–20. 2n = 22.
Phenology: Flowering mid Apr–Jul.
Habitat: Grassy sites, gravel bars, river beds.
Elevation: 30–800 m.
Distribution
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Calif.
Discussion
Variety rattanii is a taxon of primarily the outer North Coast Ranges from Humboldt County southward to western Tehama and northwestern Lake counties.
Selected References
None.
Lower Taxa
None.