| Family | SAXIFRAGACEAE |
| Genus species | Tiarella unifoliata Hook. |
| Bibliography | Fl. Bor.-Amer. 1: 238 (1832) |
| Native Range | Alaska to w. USA |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Altitude | 300-1900m |
| Description | leaves long petiolate, triangular-cordate, 3-5-lobate, lobes acute, obtusely, mucronate-dentate, adaxially sparsely pilose, panicle oblong, open, flowers pendent |
| Size | 20-30cm |
| Color | |
| Bloom | summer, autumn |
| Ca | |
| Type | perennial |
| Cultivation | cold, shady site with a humous, moist soil alpine house, moist, humous soil, shade |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 16-21°C division in early spring |
| Synonyms | Petalosteira unifolia (Hook.) Raf. Tiarella trifoliata var. unifoliata (Hook.) Kurtz Tiarella trifoliata ssp. unifoliata (Hook.) P..M.Kern Tiarella unifoliata var. procera A.Gray Tiarella unifoliata f. trisecta Lakela Tiarella unifoliata f. typica Lakela |
| Territory | 7 Northern America 70 Subarctic America (ASK Alaska) 71 Western Canada 73 Northwestern U.S.A. 76 Southwestern U.S.A. |