| Family | POLYGONACEAE |
| Genus species | Polygonum shastense W.H.Brewer ex A.Gray |
| Bibliography | Proc. Amer. Acad. Arts 8: 400 (1872) |
| Native Range | California to Nevada |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Description | leaves crowded, subobovate to oblong, revolute, flowers 5-8mm, of 1-3, in axils of upper leaves, fading dark rose |
| Size | 15-20cm |
| Color | pinkish, white |
| Bloom | late summer, autumn |
| Ca | |
| Type | subshrub |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C cuttings in late spring and late summer |
| Territory | 7 Northern America 76 Southwestern U.S.A. (CAL California, NEV Nevada) |