| Family | RANUNCULACEAE |
| Genus species | Trollius riederianus Fisch. & C.A.Mey. |
| Synonyms | Trollius japonicus Miq. |
| Trollius kurilensis Sipliv. | |
| Trollius miyabei Sipliv. | |
| Habitat | grassland |
| Altitude | arctic-alpine |
| Description | basal leaves petiolate, palmati-3-5-partite, segments rhombic, deeply incised into unevenly serrate lobes, stem leaves 1-3, similar, flowers to 3cm wide, sepals oval |
| Size | 5-40cm |
| Color | orange yellow |
| Bloom | early summer |
| Ca | |
| Type | tuft |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in winter, germ. 3-12 months, 10-16°C division in late summer |
| Territory |
Asia-Temperate
Russian Far East (Kamchatka , Khabarovsk , Kuril Is. , Primorye , Sakhalin ) Eastern Asia (Japan , Korea ) Northern America Subarctic America (Aleutian Is. , Alaska) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | RANUNCULACEAE
riederianus uncinatus (Sipliv.) Luferov, Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 96(5): 75 (1991)
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