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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. didymocarpus Hook. & Arn. TWO-SEEDED MILKVETCH
NATIVE
Annual, generally slender; ± gray ± minutely strigose. Stem: prostrate to ± erect, 2.5–45 cm. Leaf: 0.8–7.5 cm; leaflets 9–17, 2–14 mm, linear to oblanceolate, tips notched. Inflorescence: head-like; flowers 5–30, erect or ascending. Flower: < 9 mm; calyx hairs ± mixed black, white; petals ± white, purple-tinged. Fruit: ascending, ± included in calyx, 2–4 mm, ± 2 mm wide, ± spheric, 2-lobed in ×-section, ± minutely strigose (glabrous), coarsely wrinkled, drying stiff-papery; chambers 2. Varieties intergrade. [Online Interchange]

Key to Astragalus didymocarpus

1. Keel 2.4–4.5 mm; s ± 1/2 California

2. Calyx hairs mostly black, lobes generally 0.8–1.5 mm, <(=) tube; leaflets ± glabrous adaxially; stem ± erect ..... var. didymocarpus

2' Calyx hairs mostly white, lobes generally 1.5–2.4 mm, > tube; leaflets ± canescent adaxially; stem ± prostrate ..... var. dispermus

1' Keel 4.7–7.2 mm; s Central Coast, s Outer South Coast Ranges, Southwestern California (except Western Transverse Ranges)

3. Calyx hairs mostly black; keel abruptly curved, tip short, blunt ..... var. milesianus

3' Calyx hairs mostly white; keel crescent-shaped, tip narrowly triangular, acute ..... var. obispoensis

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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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