Family | PLANTAGINACEAE |
Genus species | Penstemon radicosus A.Nelson sect. Penstemon |
Bibliography | Bull. Torrey Bot. Club 25: 280 (1898) |
Native Range | w. USA |
Primary Biome | Temperate |
Habitat | rocky slopes |
Altitude | 1500-2400m |
Description | finely pubescent, in inflorescence glandular, leaves only on stem, sessile, lanceolate-linear, 2-6cm long, inflorescence lax, verticillate, flowers 16-23mm long |
Size | 15-40cm |
Color | bluish purple |
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 lineolatus Greene |
Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, WYO Wyoming) 76 Southwestern U.S.A. (NEV Nevada, UTA Utah) |