| Family | APOCYNACEAE |
| Genus species | Asclepias cryptoceras S.Watson trib. Asclepiadeae |
| Bibliography | Botany [Fortieth Parallel]: 283 (1871) |
| Native Range | Wyoming to sw. USA |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Altitude | 1400-2500m |
| Description | large woody root, leaves opposite, usually orbiculate, 2-6cm long, umbels terminal, 5-10-flowered, pedicels 2-4cm long, corolla with lanceolate petals, 8-12mm long |
| Size | 10-30cm |
| Color | greenish yellow |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in winter, uncovered, germ. 1-3 months, 16-18°C |
| Synonyms | Acerates latifolia Torr. & Frém. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, WYO Wyoming) 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada, UTA Utah) |