Family | BRASSICACEAE |
Genus species | Draba ruaxes Payson & H.St.John |
Bibliography | Proc. Biol. Soc. Washington 43: 117 (1930) |
Native Range | Alaska to Washington |
Primary Biome | Subalpine |
Habitat | rocks and scree |
Altitude | 500-2400m |
Description | lower leaves subsessile, oblanceolate, 3-10mm, pubescent, ciliate, stem leaves 0, flowers 4-10 in raceme, sepals ovate, petals obovate, 4-6mm, silicles elliptic, pubescent |
Size | 2-6cm |
Color | bright yellow |
Bloom | late spring, summer |
Ca | |
Type | subshrub |
Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C rosette cuttings in late summer |
Synonyms | Draba ventosa var. ruaxes (Payson & H.St.John) C.L.Hitchc. |
Territory | 7 Northern America 70 Subarctic America (ASK Alaska, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia) 73 Northwestern U.S.A. (WAS Washington) |