|
|
Blooms: June - August
Habit: herb
Duration: perennial
Origin: Native
Conservation Status:
Threatened
|
Distribution: Olympic Mountains of Clallam County, Washington
Habitat: Alpine talus slopes.
|
|
Species Description:
General: Grayish, finely-wooly perennial from a deep taproot and branched crown, the stems thick, 1- 2.5 dm. long.
Leaves: Leaves alternate, pinnate, crowded, subsessile, 2-4 cm. long; leaflets 11-17, linear elliptic to oblong-obovate, 8-16 mm. long; stipules oblong-lanceolate, rounded, 3-6 mm. long.
Flowers: Inflorescence of loosely 7- to 20-flowered racemes; peduncles equaling the leaves; flowers 7-10 mm. long; calyx 2/3 the length of the corolla, the 5 linear-lanceolate lobes up to as long as the woolly tube; corolla yellowish-white, the banner erect, the keel purplish tinged; stamens 10.
Fruit: Pod with a slender stipe longer than the calyx, 2.5 cm. long and 5-10 mm. broad, the body strongly inflated, membranous, glabrous, ellipsoidal, the lower suture intruded to form a septum nearly 1 mm. high.
|
Full Name with Authors:
Astragalus cottonii M.E. Jones
Synonyms:
Astragalus australis (L.) Lam. Astragalus australis (L.) Lam. var. cottonii (M.E. Jones) S.L. Welsh
Treated in Flora of the PNW as:
Astragalus cottonii |
Additional Resources:
WTU Herbarium Specimens: View list of Astragalus cottonii specimens in the WTU Herbarium database.
Washington Flora Checklist: Astragalus cottonii treatment.
Oregon Flora Project Atlas: Astragalus cottonii atlas page.
E-Flora BC: Astragalus cottonii atlas page.
CalPhotos: Astragalus cottonii images.
USDA Plants Database: Astragalus cottonii. |
|
|
