familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusTrifolium
speciesTrifolium eriocephalum
subspeciesTrifolium eriocephalum subsp. cascadense
Trifolium eriocephalum subsp. cascadense
Canad. J. Bot. 49: 400. 1971.
Herbs slightly villous, appressed-pubescent, or glabrate; roots fusiform-tuberous. Leaflet blades of basal and median leaves usually narrowly lanceolate or linear, rarely narrowly elliptic, surfaces sparsely hairy adaxially. Flowers: calyx lobes green, straight, subequal, 3–4 times tube length; corolla white; ovules usually 2, rarely 1 or 3. 2n = 16.
Phenology: Flowering May–Jul.
Habitat: Open pine forests, riverbanks, clearings, wet meadows.
Elevation: 500–1500 m.
Distribution
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Oreg.
Discussion
Subspecies cascadense occurs in north-central and southwestern Oregon.
Selected References
None.
Lower Taxa
None.