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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.


A. iodanthus S. Watson
Perennial herb; generally ± minutely strigose. Stem: several, ± prostrate, 5–40 cm, few-branched. Leaf: 2–7 cm; leaflets 9–21, 3–18 mm, widely obovate or ± round, tips blunt or notched. Inflorescence: flowers 7–25, early crowded, ascending, then spaced, reflexed. Flower: petals red-purple, ± white with purple keel tip, or cream, banner 9–15.5 mm, recurved ± 45°, ± >= keel. Fruit: pendent or spreading, 20–40 mm, 5–8.5 mm wide, incurved 1/4–full circle, wider than deep or ± 3-sided, firm, mottled in age, stiff-papery or leathery, dark; stalk-like base 0; chambers ± 2 below middle, generally 1 above (or 2 up to 1-chambered beak). [Online Interchange]

Key to Astragalus iodanthus

1. Corolla generally ± white or cream to pale lilac-tinged or -tipped, banner 7.5–11 mm, se Modoc Plateau (Lassen Co.) ..... var. diaphanoides

1' Corolla generally bright red-purple (drying violet) to ± white, banner generally 11–15 mm, East of Sierra Nevada (Mono Co.) ..... var. iodanthus


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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