familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusTrifolium
speciesTrifolium plumosum
subspeciesTrifolium plumosum subsp. plumosum
Trifolium plumosum subsp. plumosum
Endemic
Treatment appears in FNA Volume 11.
Revision as of 17:34, 12 March 2025 by imported>Volume Importer
Herbs 20–35 cm. Leaflet blades linear, 0.1–0.7 cm wide, those of basal leaves 0.2–0.5(–0.7) cm wide, apex acuminate.
Phenology: Flowering May–Jul.
Habitat: Dry rocky hillsides, clay roadsides, fields, open pine forests.
Elevation: 500–1500 m.
Discussion
Subspecies plumosum is restricted to northeastern Oregon and southeastern Washington.
Selected References
None.
Lower Taxa
None.