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FNA | Family List | FNA Vol. 7 | Brassicaceae | Physaria

60b. Physaria occidentalis (S. Watson) O’Kane & Al-Shehbaz subsp. cinerascens (Maguire & A. H. Holmgren) O’Kane & Al-Shehbaz, Novon. 12: 326. 2002.

Lesquerella occidentalis S. Watson var. cinerascens Maguire & A. H. Holmgren, Madroño 11: 178. 1951; L. goodrichii Rollins; L. occidentalis subsp. cinerascens (Maguire & A. H. Holmgren) Rollins & E. A. Shaw; Physaria goodrichii (Rollins) O’Kane & Al-Shehbaz; P. occidentalis var. cinerascens (Maguire & A. H. Holmgren) S. L. Welsh; P. occidentalis var. goodrichii (Rollins) S. L. Welsh

Caudex thickened, usually simple, rarely branched, (subterranean). Stems usually simple, rarely few from base, well-exserted, prostrate to decumbent. Basal leaves: blade margins entire. Fruits (slightly longer than broad), not conspicuously compressed at margins, apex somewhat compressed and usually not conspicuously beaked; valves usually glabrous, sometimes sparsely pubescent inside; ovules 8-12 per ovary; style usually straight.

Flowering May-Jul. Gravelly slopes, grassy ridges, outwash fans, steep limestone outcrops, limey gravel; 1500-3700 m; Nev., Utah.


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