| Family | ASTERACEAE |
| Genus species | Arnica gracilis Rydb. trib. Heliantheae |
| Synonyms | Arnica columbiana A.Nelson |
| Arnica jonesii Rydb. | |
| Arnica lactucina Greene | |
| Habitat | dry, rocky slopes |
| Altitude | 1200-2500m |
| Description | basal leaves ovate to broadly lanceolate, more or less dentate, stem leaves 2-3 pairs, ovate to ovate-lanceolate, capitula 3-7, small, ligules 8-11, 15mm long |
| Size | 10-30cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | tuft |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in spring; cuttings in late summer |
| Territory |
Northern America
Western Canada (Alberta , British Columbia ) Northwestern U.S.A. (Idaho , Montana , Oregon , Washington , Wyoming ) Southwestern U.S.A. (Utah) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | ASTERACEAE
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