| Family | POLYGONACEAE |
| Genus species | Polygonum shastense W.H.Brewer ex A.Gray |
| Habitat | rocky slopes |
| Altitude | subalpine-alpine |
| 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 | decumbent 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 |
Northern America
Southwestern U.S.A. (California , Nevada) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | POLYGONACEAE
|