Physaria occidentalis subsp. occidentalis
Synonyms: Lesquerella cusickii M. E. Jones Lesquerella occidentalis subsp. cusickii Lesquerella occidentalis var. cusickii (M. E. Jones) C. L. Hitchcock
Treatment appears in FNA Volume 7. Treatment on page 654.
Caudex a thickened crown, branched. Stems several from base, exserted to nearly covered with basal leaves (densely clustered), erect or decumbent. Basal leaves: blade margins sinuate-dentate or entire. Fruits (strongly latiseptate), compressed at margins and apex, apex (acute), often beaked; valves pubescent inside; ovules 4 per ovary; style frequently curved. 2n = 10.
Phenology: Flowering (Apr-)Jun–Aug.
Habitat: Loose gravelly soils, talus slopes, volcanic rocks, rocky ridges, metamorphic rubble, marbleized rocks, decomposed limestone and schist, barren hillsides, whitish ash deposits
Elevation: (600-) 1800-3400 m
Distribution
Calif., Idaho, Nev., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.
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