| Family | SAXIFRAGACEAE |
| Genus species | Boykinia occidentalis Torr. & A.Gray |
| Bibliography | Fl. N. Amer. 1: 577 (1840) |
| Native Range | British Columbia to California |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Altitude | 0-1700m |
| Description | leaves 3-8cm wide, orbiculate, shortly 5-7-lobate, dentate, adaxially more or less shiny, flowers in lax panicle |
| Size | 15-60cm |
| Color | white |
| Bloom | summer |
| Ca | - |
| Type | perennial |
| Cultivation | cold, shady site with a humous, moist soil alpine house, moist, humous soil, shade |
| Propagation | seed in spring, barely covered, germ. 3-6 months, 16-18°C division in early spring |
| Synonyms | Boykinia cincinnata (Rosend. & Rydb.) Fedde Boykinia elata (Nutt.) Greene Boykinia elata var. occidentalis (Torr. & A.Gray) Rosend. ex Engl. Boykinia nuttallii Macoun Boykinia occidentalis var. cincinnata (Rosend. & Rydb.) Rosend. Boykinia occidentalis var. elata (Nutt.) A.Gray Boykinia vancouverensis (Rydb.) Fedde Saxifraga elata Nutt. Saxifraga microcarpa A.M.Johnson Therofon cincinnatum Rosend. & Rydb. Therofon elatum (Nutt.) Greene Therofon occidentale (Torr. & A.Gray) Kuntze Therofon vancouverense Rydb. |
| Territory | 7 Northern America 71 Western Canada (BRC British Columbia) 73 Northwestern U.S.A. (ORE Oregon, WAS Washington) 76 Southwestern U.S.A. (CAL California) |