Psorothamnus polydenius var. polydenius
Endemic
Treatment appears in FNA Volume 11.
Revision as of 17:39, 12 March 2025 by imported>Volume Importer
Leaves 0.7–1.5 cm; leaflets 7–13, blades obovate to sub-orbiculate, 1–3 mm. Racemes relatively dense; rachis 0.3–1.2(–1.8) cm; bracts lanceolate, 1.6–2.5 mm, margins entire, gland-spurred. Calyces pilosulous throughout or tube glabrous, lobes 1.8–2.5 mm. 2n = 10.
Phenology: Flowering spring–early summer (fall).
Habitat: Sandy or gravelly slopes and flats, dunes.
Elevation: 800–2300 m.
Distribution
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Calif., Nev., Utah.
Discussion
In California, var. polydenius is known from the southeastern part of the state, east of the Sierra Nevada and in the Mojave and Sonoran desert regions.
Selected References
None.
Lower Taxa
None.