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Common Name: Woolly Loco

Other Names: Woolly Locoweed, Crazyweed, Woolly Milkvetch, Texas Loco

Species Name: Astragalus mollissimus 

Family Name: Fabaceae, Pea Family



Plant Facts  
Origin Native
Duration Perennial
Distribution in the U.S. Great Plains, from the Dakotas and Wyoming south to Texas and New Mexico
Distribution in Oklahoma Western half of the state



ID Characteristics

  • Field Identification Characteristics
    • Short, unbranching stems coming from base of plant
    • Leaves slightly oval with slightly pointed ends
    • Flowers purple-pink or yellowish-purple
    • Seed pods tubular with curving, pointed tip



Soil Type Clay, loam and sandy soils
Habitat Prairies, stream valleys and roadsides
Successional Stage Mid


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