| Family | BRASSICACEAE |
| Genus species | Boechera howellii (S.Watson) Windham & Al-Shehbaz |
| Bibliography | Harvard Pap. Bot. 11: 69 (2006) |
| Native Range | Oregon to California and Nevada |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 1800-3800m |
| Description | stems glabrous, lower leaves in rosette, oblanceolate, entire, ciliate, glabrous, inflorescence 2-9-flowered, sepals glabrous, petals 5-6mm, siliques 3-5cm |
| Size | 5-25cm |
| Color | lavender-blue, purple |
| Bloom | summer |
| Ca | |
| Type | perennial |
| 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 division in fall; cuttings in late summer |
| Synonyms | Arabis conferta Greene Arabis howellii S.Watson Arabis inamoena var. acutata Jeps. Arabis platyloba Greene Arabis platysperma var. howellii (S.Watson) Jeps. Arabis platysperma var. imparata Jeps. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |