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Astragalus mollissimus (Woolly locoweed)
Cressler, Alan

Astragalus mollissimus

Astragalus mollissimus Torr.

Woolly Locoweed, Purple Locoweed, Woolly Loco, Woolly Milkvetch, Wooly Loco, Wooly Locoweed

Fabaceae (Pea Family)


USDA Symbol: ASMO7

USDA Native Status: L48 (N)

Woolly loco gets its name from the many soft hairs that cover its leaves and stems. The plant is 12-18 inches tall, with many sprawling branches that turn upward, forming a rounded clump. Leaves are 6-10 inches long, made up of 20-30 leaflets, thickly covered with silky hairs. The flowers are on the upper 2-4 inches of the stem and grow in clusters. They have 5 sepals and 5 lavender-to-purple petals (248).


From the Image Gallery

16 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Pinnate
Fruit Type: Legume
Size Notes: Up to about 18 inches tall.

Bloom Information

Bloom Color: Purple
Bloom Time: Mar , Apr , May


USA: AZ , CO , KS , NE , NM , NV , OK , SD , TX , UT , WY


Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller
Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.

Search More Titles in Bibliography

Additional resources

USDA: Find Astragalus mollissimus in USDA Plants
FNA: Find Astragalus mollissimus in the Flora of North America (if available)
Google: Search Google for Astragalus mollissimus


Record Modified: 2014-07-29
Research By: TWC Staff

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