66. Boechera parishii (S. Watson) Al-Shehbaz, Novon 13: 388. 2003; Arabis parishii S. Watson, Proc. Amer. Acad. Arts 22: 468. 1887. TYPE: United States, California, San Bernardino Co., Bear Valley, San Bernardino Mts., 6500 ft., Jun 1886, S. B. Parish 1793 (holotype, GH!; isotypes, DS!, NDG!, NY!, UC!).

     Plants short- to long-lived perennials, often with woody caudices, lacking crowded, persistent leaf bases; sexual, with ellipsoid pollen. Stems usually 1 per caudex branch, arising near ground surface from center of basal rosettes, 0.3–1.4 dm, lower sith abundant short-stalked, 2–8-rayed trichomes 0.2–0.4 mm, upper parts sparsely pubescent. Leaves at stem bases linear to linear-oblanceolate, 0.5–2 mm wide, entire, often ciliate on petioles with branched trichomes to 0.6 mm, blade surfaces densely pubescent with short-stalked, 6–12-rayed trichomes 0.07–0.15 mm; cauline leaves 2–8, rarely concealing stem proximally, the uppermost densely pubescent, without auricles. Inflorescences unbranched, 5–20-flowered; fruiting pedicels 3–7 mm, ascending, straight, with appressed, branched trichomes. Flowers ascending at anthesis; sepals pubescent; petals lavender to purple, 8–13 ´ 2.5–4.0 mm, glabrous; ovules 12–20 per fruit. Fruits 1.5–2.5 cm ´ 1.8–2.5 mm, ascending, not appressed to rachises, not secund, straight, with parallel edges, glabrous; style 3–8 mm. Seeds uniseriate, 1.5–2.0 ´ 1.0–1.5 mm; wing distal or continuous, 0.05–0.20 mm wide. 2n = 14.

Flowering: Mar–May.

Habitat: gravelly hillsides in sagebrush-juniper-pine areas.

Elevation: 1900–2300 m.

Distribution: United States (California/ San Bernardino Co).

Reproductive mode: sexual diploid.