Family | ASTERACEAE |
Genus species | Cirsium scariosum var. americanum (A.Gray) D.J.Keil trib. Cardueae |
Synonyms | Carduus longissimus A.Heller |
Cirsium tioganum (Congdon) Petr. | |
Cnicus tioganus Congdon | |
Habitat | grassland and thickets |
Altitude | 1000-2000m |
Description | acaulescent, leaves oblanceolate, to 3cm, lower leaves mostly lobate with marginal spines, upper leaves subentire, capitula 3-9, in compact, terminal head |
Size | 10-15cm |
Color | pink, white |
Bloom | summer |
Ca | |
Type | rosette |
Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
Propagation | seed in spring, germ. 1 month, 13-18°C root cuttings in late winter |
Territory |
Northern America
Northwestern U.S.A. (Colorado , Idaho , Oregon , Wyoming ) Southwestern U.S.A. (California , Nevada , Utah ) Mexico (Mexico Northwest) |
Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
Comments | ASTERACEAE
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