familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusTrifolium
speciesTrifolium eriocephalum
subspeciesTrifolium eriocephalum subsp. cusickii
Trifolium eriocephalum subsp. cusickii
Canad. J. Bot. 49: 402. 1971.
Common names: Cusick’s clover
Endemic
Basionym: Trifolium arcuatum var. cusickii Piper Bull. Torrey Bot. Club 29: 642. 1902
Synonyms: T. eriocephalum var. cusickii (Piper) J. S. Martin T. eriocephalum var. harneyense (Howell) McDermott T. harneyensis Howell T. tropicum A. Nelson
Treatment appears in FNA Volume 11.
Herbs slightly villous; roots cylindric, thickened, branched, often rhizomelike. Leaflet blades of basal and median leaves linear or linear-elliptic, apex acute, surfaces sparsely hairy adaxially. Flowers: calyx lobes usually purple, contorted, abaxial lobes longer, lateral lobes 1–1.5 times tube; corolla white, cream, or purple; ovules 3 or 4. 2n = 16.
Phenology: Flowering May–Jul.
Habitat: Open pine forests, riverbanks, clearings, wet meadows.
Elevation: 1200–2300 m.
Distribution
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Idaho, Nev., Oreg.
Discussion
Subspecies cusickii ranges from central and northern Nevada into eastern Oregon and southwestern Idaho.
Selected References
None.
Lower Taxa
None.