| Family | BRASSICACEAE |
| Genus species | Parrya rydbergii Botsch. |
| Bibliography | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 178 (1955) |
| Native Range | Wyoming to Utah |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 2900-3700m |
| Description | densely glandular, leaves petiolate, obovate to spathulate, 2-5cm, incised or coarsely dentate, acute, flowers 3-15 in raceme, petals 1-2cm long, retuse, siliques linear |
| Size | 5-15cm |
| Color | lavender-blue, purple |
| Bloom | summer |
| Ca | + |
| Type | subshrub |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C cuttings in late summer |
| Synonyms | Neuroloma rydbergii (Botsch.) Botsch. Parrya nudicaulis ssp. rydbergii (Botsch.) Hultén Parrya nudicaulis var. rydbergii (Botsch.) N.H.Holmgren Parrya platycarpa Rydb. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (WYO Wyoming) 76 Southwestern U.S.A. (UTA Utah) |