General:
Perennial herb from a thick, woody taproot and branching stem-base; stems several to numerous, slender, erect, 30-70 cm tall, often branched, with short, appressed, unbranched hairs.

Leaves:
Alternate, pinnately compound, 5-10 cm long, short-stalked; leaflets 9 to 21, narrowly oblong-elliptic, 5-20 mm long, glabrous or grey-hairy above; stipules triangular, 1-3 mm long, the lower ones fused into a papery sheath, the upper free.

Flowers:
Inflorescence a loose, axillary raceme of 10 to 30 spreading to nodding, pea-like flowers, the racemes somewhat 1-sided, elongating in fruit to about equal the 6- to 20-cm long stalk, the stalks exceeding the leaves; corollas cream-coloured, 9-13 mm long, the wings shorter than the banner but longer than the keel; calyces blackish- or partly white-hairy, 4-6 mm long, the triangular teeth 1 mm long.

Fruits:
Pods, narrowly oblong-elliptic, drooping from slender stalks 10-15 mm long, membranous, greenish, 15-35 mm long, strongly flattened, 1-chambered.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia

Flower Colour:
White

Blooming Period:
Late Spring

Fruit/Seed characteristics:
Colour: Black
Present over the Summer

Source:  The USDA

Synonyms and Alternate Names:
Astragalus filipes var. residuus Jeps.
Astragalus macgregorii (Rydb.) Tidestr.
Astragalus stenophyllus Torr. & A. Gray
Astragalus stenophyllus var. filipes (Torr. ex A. Gray) Tidestr.