| Family | ROSACEAE |
| Genus species | Potentilla effusa Douglas ex Lehm. |
| Bibliography | Nov. Stirp. Pug. 2: 8 (1830) |
| Native Range | wc. & c. Canada to w. & nc. USA |
| Primary Biome | Temperate |
| Habitat | steppes |
| Altitude | 700-2600m |
| Description | stem and leaves white tomentose, leaves pinnate, lower leaves with 5-11, cuneate-oblong, coarsely dentate segments, flowers many in open cyme |
| Size | 15-40cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C division in early spring; cuttings in late summer and fall |
| Synonyms | Pentaphyllum effusum (Douglas ex Lehm.) Lunell Potentilla coloradoensis Rydb. Potentilla effusa var. coloradoensis (Rydb.) Th.Wolf Potentilla effusa var. filicaulis Nutt. Potentilla effusa var. gossypina Nutt. Potentilla filicaulis (Nutt.) Rydb. Potentilla gossypina (Nutt.) Nutt. ex Hook. Potentilla hippiana ssp. effusa (Douglas ex Lehm.) Dorn Potentilla hippiana var. effusa (Douglas ex Lehm.) Dorn Potentilla hippiana var. filicaulis (Nutt.) B.Boivin |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta, MAN Manitoba, SAS Saskatchewan) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, WYO Wyoming) 74 North-Central U.S.A. (MIN Minnesota, NDA North Dakota, NEB Nebraska, SDA South Dakota) 76 Southwestern U.S.A. (UTA Utah) |