| Family | ROSACEAE |
| Genus species | Potentilla ottonis P.M.Sl. |
| Bibliography | h.l., nom. nov. |
| Native Range | Oregon to California |
| Primary Biome | Temperate |
| Habitat | grassland and woods |
| Altitude | 200-800m |
| Description | stems ascendent, reddish, leaves pinnate, 4-8cm, leaflets 2-4-pairs, lanceolate elliptic to oblong, 5-9mm, stem leaves 2-5, inflorescence compound, petals 2-3 |
| Size | 15-30cm |
| Color | yellow |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C division in early spring; cuttings in late summer and fall |
| Synonyms | Horkelia congesta ssp. nemorosa D.D.Keck, Lloydia 1: 108 (1939) Horkelia congesta var. nemorosa (D.D.Keck) M.Peck Potentilla congesta var. nemorosa (D.D.Keck) J.T.Howell |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (CAL California) |