| Family | ASTERACEAE |
| Genus species | Arnica acaulis Britton, Sterns & Poggenb. trib. Heliantheae |
| Bibliography | Prelim. Cat.: 30 (1888) |
| Native Range | New Jersey to se. USA |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Altitude | 0-300m |
| Description | leaves mainly basal, sessile, 5-10cm long, coriaceous, distinctly veined, hirsute, capitula 3-15, 5-7cm across |
| Size | 30-60cm |
| Color | bright yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | cold, shady site with a humous, moist soil alpine house, moist, humous soil, shade |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Arnica claytonii Pursh Arnica nudicaulis Elliott Doronicum acaule Walter Doronicum claytonii Poir. Doronicum nudicaule Michx. Grammarthron oppositifolium Cass. Peritris ovatifolia Raf. |
| Territory | 7 Northern America 75 Northeastern U.S.A. (NWJ New Jersey, PEN Pennsylvania) 78 Southeastern U.S.A. (DEL Delaware, FLA Florida, GEO Georgia, MRY Maryland, NCA North Carolina, SCA South Carolina, VRG Virginia, WDC District of Columbia) |