Family | PLANTAGINACEAE |
Genus species | Penstemon humilis Nutt. ex A.Gray sect. Penstemon |
Bibliography | Proc. Amer. Acad. Arts 6: 69 (1862) |
Native Range | w. USA |
Primary Biome | Temperate |
Habitat | rocky slopes |
Altitude | 1000-3200m |
Description | finely cinereous, leaves entire, basal leaves persistent, lanceolate to ovate, to 12cm, stem leaves reduced, inflorescence verticillate, few flowered, flowers 12-19mm |
Size | 5-40cm |
Color | dark blue |
Bloom | summer |
Ca | |
Type | perennial |
Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C division in spring; cuttings in late summer |
Synonyms | Penstemon cinereus Piper Penstemon cinereus ssp. foliatus D.D.Keck Penstemon cinereus ssp. typicus D.D.Keck Penstemon collinus A.Nelson Penstemon decurvus Pennell ex Crosswh. Penstemon humilis var. desereticus S.L.Welsh Penstemon humilis ssp. typicus D.D.Keck Penstemon puberulus M.E.Jones |
Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 76 Southwestern U.S.A. (CAL California, NEV Nevada, UTA Utah) |