Family | PLANTAGINACEAE |
Genus species | Penstemon triphyllus Douglas sect. Saccanthera |
Bibliography | Edwards‘s Bot. Reg. 15: t. 1245 (1829) |
Native Range | nw. USA |
Primary Biome | Temperate |
Habitat | rocks |
Altitude | 300-1800m |
Description | leaves all on stem, to 5cm long, linear to narrowly linear-elliptic, irregularly sharply dentate, calyx viscid, lobes lanceolate, acuminate, flowers 12-15mm long |
Size | 25-80cm |
Color | blue, purplish violet |
Bloom | summer |
Ca | |
Type | subshrub |
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 cuttings in late summer |
Synonyms | Penstemon triphyllus ssp. typicus D.D.Keck |
Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, ORE Oregon, WAS Washington) |