Family | PLANTAGINACEAE |
Genus species | Penstemon confertus Douglas sect. Penstemon |
Synonyms | Penstemon depressus Greene |
Penstemon lassenianus Greene | |
Penstemon washoensis Greene | |
Habitat | dry, stony grassland |
Altitude | 300-2400m |
Description | glabrous, leaves mainly on stem, lanceolate, to 10cm long, inflorescence densely verticillate, flowers 8-12mm with narrow tube, undistinctly bilabiate, staminodium barbate |
Size | 5-40cm |
Color | yellow |
Bloom | summer |
Ca | |
Type | subshrub |
Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late summer |
Territory |
Northern America
Subarctic America (Alaska ) Western Canada (Alberta , British Columbia , Saskatchewan ) Northwestern U.S.A. (Idaho , Montana , Oregon , Washington) |
Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
Comments | PLANTAGINACEAE
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