Wyoming Rare Plant Field Guide
Asclepias uncialis
- Similar Species: A. pumila has uniformly narrow, linear leaves and whitish flowers.
- Flowering/Fruiting Period: May-June/May-June.
- Distribution: E Colorado and NE New Mexico; disjunct in Wyoming (Sweetwater Co.) and E Arizona.
- Habitat: Grassy hills, escarpments, and mesas in semi-arid shortgrass prairie.
- References: Dorn 1992 b; Great Plains Flora Association 1986; Locklear 1991.
