Key to Astragalus didymocarpus

View taxon page for Astragalus didymocarpus

(For a list of species in Astragalus didymocarpus, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Keel 2.4–4.5 mm; s ± 1/2 CA

2. Calyx hairs mostly black, 

lobes 

1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth.

generally 0.8–1.5 mm, <(=) tube; leaflets ± glabrous adaxially; stem ± 

erect 

Upright; vertically oriented.

..... var. didymocarpus

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

prostrate 

Lying flat on the ground.

..... var. dispermus

1' Keel 4.7–7.2 mm; s CCo, s SCoRO, SW (except WTR)

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 

Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle.

..... var. obispoensis

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