Family | BRASSICACEAE |
Genus species | Draba oligosperma Hook. sect. Chrysodraba |
Bibliography | Fl. Bor.-Amer. [Hooker] 1: 51 (1830) |
Native Range | Alaska to w. USA |
Primary Biome | Temperate |
Habitat | rocks |
Altitude | 200-3900m |
Description | greyish, leaves crowded, linear, 3-12mm long, ciliate, abaxially appressed hirsute, racemes 3-15-flowered, petals 3-5mm long, silicles of various shape |
Size | 2-10cm |
Color | yellow |
Bloom | late spring |
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 month, 10-16°C cuttings of rosettes in late summer |
Synonyms | Draba andina (Nutt.) A.Nelson Draba calcifuga P.Lesica Draba glacialis var. pilosa Regel Draba oligosperma var. andina Nutt. Draba oligosperma f. hirtiscapa O.E.Schulz Draba oligosperma var. leiocarpa O.E.Schulz Draba oligosperma var. microcarpa Blank. Draba oligosperma var. pilosa (Regel) O.E.Schulz Draba oligosperma var. saximontana (A.Nelson) O.E.Schulz Draba oligosperma ssp. subsessilis (S.Watson) A.E.Murray Draba oligosperma var. subsessilis (S.Watson) O.E.Schulz Draba saximontana A.Nelson Draba sessilis S.Watson Draba subsessilis S.Watson |
Territory | 7 Northern America 70 Subarctic America (ASK Alaska, NUN Nunavut, NWT Northwest Territories, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WYO Wyoming) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |