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Astragalus acutirostris
Astragalus acutirostris
S. Wats.
Family:
Fabaceae
Sharp-Keel Milk-Vetch,
more...
sharpkeel milkvetch
Teague Embrey
General Description
Resources
Plant
: Annual; hairs ± appressed, ± curved; stem prostrate or ascending, 2-30 cm
Leaves
: generally compound, alternate, stipuled, 1-4 cm; odd-1-pinnate; leaflets 7-15, 2-8 mm, ± oblong, tips generally notched; stipules membranous, sometimes fused around stem at stem base
INFLORESCENCE
: raceme, axillary; flowers 1-6, ± spreading
Flowers
: bilateral; calyx 5-lobed; petals ± white, banner outside wings in bud 4.7-7 mm, recurved ± 45 degrees, keel 4.3-5.8 mm; 9 filaments fused, 1 free; ovary (and fruit) generally sessile, style slender, stigma minute
Fruit
: legume, 12-30 mm, 2-3 mm wide, gently curved, ± 3-sided, pale brown, thin-walled but not bladdery, quickly deciduous; chambers 2; Seeds 2-many, smooth, compressed, ± notched at attachment scar
Misc
: Sandy or gravelly areas; 600-1500 m.; Apr-May
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