| Family | RANUNCULACEAE |
| Genus species | Ranunculus trisectus Eastw. |
| Bibliography | Proc. Amer. Acad. Arts 45: 394 (1910) |
| Native Range | nw. USA |
| Primary Biome | Subalpine |
| Habitat | grassland and rocks |
| Altitude | 900-3500m |
| Description | glabrous, basal leaves orbiculate, trisect, 2-3cm, segments approximate, the middle cuneate, lateral bipartite, ultimate segments oblong, 2-3mm, sepals reddish, corolla 3cm |
| Size | 10-20cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 10-16°C division in spring just as young growth commences |
| Synonyms | Ranunculus eschscholtzii var. trisectus (Eastw.) L.D.Benson Ranunculus eschscholtzii ssp. trisectus (Eastw.) F.J.F.Fisher & al. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, ORE Oregon, WAS Washington) |