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Astragalus conjunctus var. rickardii

Astragalus conjunctus S. Watson var. rickardii S.L. Welsh, K. Beck & F. Caplow

Rickard's Milkvetch, Idaho Milkvetch, Stiff Milkvetch

Fabaceae (Pea family)

Synonym(s):

USDA Symbol: ASCOR2

USDA Native Status: L48 (N)

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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: Up to about 16 inches tall.
Flower: "Peduncles 5-26 em long; racemes 10- to 19-flowered, the axis 4-13 em long in fruit; pedicels 1-2.5 mm long; calyx 7-9 mm long, the tube 4.9--6.2 mm long, campanulate, the teeth 1.5-3 mm long. Flowers (13.2) 14-20.7 mm long." (reslit: 2900).
Fruit: "Pods 13-20 mm long, 4.3--5 mm thick, strigulose; ovules 15-20." (reslit: 2900).

Bloom Information

Bloom Color: White
Bloom Time: May , Jun , Jul

Distribution

USA: OR , WA
Native Distribution: "On the Hanford Atomic Energy Site, Benton Co., Washington, and bunchgrass-scabland community, Wasco Co., Washington." (reslit: 2900).
Native Habitat: "Bunchgrass-sagebrush community at 450 to 1070 m." (reslit: 2900).

Web Reference

Webref 62 - Burke Herbarium Image Collection (2020) University of Washington
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Research Literature

Reslit 2900 - NEW VARIETY OF ASTRAGALUS CONJUNCTUS S. WATSON FROM BENTON COUNTY, WASHINGTON (1997) Welsh, Stanley L., Florence Caplow and Katherine B...

This information was provided by the Florida WIldflower Foundation.
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Additional resources

USDA: Find Astragalus conjunctus var. rickardii in USDA Plants
FNA: Find Astragalus conjunctus var. rickardii in the Flora of North America (if available)
Google: Search Google for Astragalus conjunctus var. rickardii

Metadata

Record Modified: 2023-06-20
Research By: Joseph A. Marcus

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