Family | ASTERACEAE |
Genus species | Antennaria howellii Greene trib. Gnaphalieae |
Bibliography | Pittonia 3: 174 (1897) |
Native Range | Subarctic America to w. & c. USA |
Primary Biome | Temperate |
Habitat | rocky slopes |
Altitude | 0-2200m |
Description | basal leaves 25-40mm long, oblanceolate to spathulate, 1-3-veined, adaxially green, abaxially tomentose, stem leaves 2-4cm long, linear, capitula 5-12 in corymb |
Size | 8-35cm |
Color | white |
Bloom | spring |
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 month, 13-20°C division in spring; cuttings in late summer |
Synonyms | Antennaria callilepis Greene Antennaria canadensis var. isabellina Greene ex House Antennaria eximia Greene Antennaria isabellina Greene ex House Antennaria neglecta var. howellii (Greene) Cronquist Antennaria neglecta ssp. howellii (Greene) Hultén Antennaria neodioica ssp. howellii (Greene) R.J.Bayer Antennaria petaloidea var. modesta E.E.Nelson Antennaria russellii B.Boivin Antennaria spathulata var. continentis Fernald & H.St.John |
Territory | 7 Northern America 70 Subarctic America (YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia, SAS Saskatchewan) 72 Eastern Canada (ONT Ontario) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 74 North-Central U.S.A. (MIN Minnesota, SDA South Dakota, WIS Wisconsin) 76 Southwestern U.S.A. (CAL California, UTA Utah) |