| Family | ASTERACEAE |
| Genus species | Arnica unalaschcensis Less. trib. Heliantheae |
| Bibliography | Linnaea 6: 238 (1831) |
| Native Range | Kamtschatka to Japan, Aleutian Islands |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 0-1500m |
| Description | lower stem leaves usually opposite, spathulate, 6-12cm, obtuse, petiolate, sparsely dentate, strigose, middle stem leaves ovate-lanceolate, sessile, capitula 4-6cm, solitary |
| Size | 10-30cm |
| Color | yellow |
| Bloom | summer |
| 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, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Arnica tschonoskyi ljin Arnica unalaschcensis f. semiplena Nakai Arnica unalaschcensis var. tschonoskyi (Iljin) Kitam. & H.Hara |
| Territory | 3 Asia-Temperate 31 Russian Far East (KAM Kamchatka, KUR Kuril Is.) 38 Eastern Asia (JAP Japan) 7 Northern America 70 Subarctic America (ALU Aleutian Is.) |