| Family | BRASSICACEAE |
| Genus species | Arabis mcdonaldiana Eastw. |
| Bibliography | Bull. Torrey Bot. Club 30: 488 (1903) |
| Native Range | s. Oregon to nw. California |
| Primary Biome | Temperate |
| Habitat | rocks |
| Altitude | 200-1800m |
| Description | glabrous, lower leaves petiolate, oblanceolate to obovate, 1-3cm, entire or obtusely dentate, obtuse, stem leaves oblong, obtuse, flowers in raceme, sepals purple, oblong |
| Size | 10-30cm |
| Color | purple |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C division in fall; cuttings in late summer |
| Synonyms | Arabis blepharophylla var. mcdonaldiana (Eastw.) Jeps. Arabis serpenticola Rollins |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (CAL California) |