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Photo is of parent taxon

Spellenberg's milkvetch

Habit Plants robust.
Leaflet

blades flat, not keeled, surfaces inconspicuously gray-hairy.

Flowers

calyx 5.5–6.9 mm, tube 3–3.8, lobes 2–3.1 mm;

corolla banner 8–10 mm.

2n

= 24.

Astragalus chuskanus var. spellenbergii

Phenology Flowering Jun–Jul.
Habitat Slopes of degraded Pliocene Chuska Sandstone, with ponderosa pine, Douglas-fir, and oak.
Elevation 2200–2800 m. (7200–9200 ft.)
Distribution
from FNA
AZ; NM
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Humistrati > Astragalus chuskanus
Sibling taxa
A. chuskanus var. chuskanus
Name authority S. L. Welsh & N. D. Atwood in S. L. Welsh: N. Amer. Sp. Astragalus, 128. (2007)
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