| Family | APOCYNACEAE |
| Genus species | Amsonia tomentosa Torr. & Frém. trib. Vinceae |
| Bibliography | Rep. Exped. Rocky Mts. [J.C.Frémont]: 316 (1845) |
| Native Range | ne. Arizona, s. California, s. Nevada |
| Primary Biome | Subtropical |
| Habitat | sandy grassland |
| Altitude | 300-1800m |
| Description | leaves 2-4cm, subsessile, ovate-lanceolate, flowers in cluster, corolla crateriform, calyx lobes erect, filiform, corolla tube 15mm, lobes spreading |
| Size | 15-35cm |
| Color | whitish, blue |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in spring, uncovered, germ. 1 month, 13-16°C cuttings in late summer |
| Synonyms | Amsonia brevifolia A.Gray Amsonia brevifolia var. tomentosa (Torr. & Frém.) Jeps. Amsonia lanata Alexander |
| Territory | 7 Northern America 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada) 77 South-Central U.S.A. 79 Mexico |