familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusAstragalus
sectionAstragalus sect. Ervoidei
speciesAstragalus kentrophyta
Astragalus kentrophyta var. douglasii
Mem. New York Bot. Gard. 13: 364. 1964.
Plants prostrate, densely mat-forming, becoming suffruticose. Stems and herbage strigulose, hairs basifixed. Leaves 1–1.7 cm; stipules dimorphic, 2–5 mm; leaflets 5(or 7), blades 5–12 mm, surfaces pubescent. Peduncles subobsolete. Flowers 5.8 mm; calyx 4.7–5.2 mm, tube 2.2–2.4 mm, lobes subulate, spinulose, 2.3–3 mm; corolla whitish. Legumes lanceoloid, 5–5.5 × 2 mm. Seeds 2. 2n = 24.
Phenology: Flowering Jun.
Habitat: Sandy substrates.
Elevation: 150–400 m.
Discussion
Variety douglasii is known from only a few, vague historical records, probably taken near the present city of Walla Walla near the Great Bend of the Columbia River, and appears to be extinct.
Selected References
None.
Lower Taxa
None.