Trifolium plumosum subsp. plumosum

Endemic
Treatment appears in FNA Volume 11.

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.
Michael A. Vincent +  and John M. Gillett† +
Douglas in W. J. Hooker +
Oreg. +  and Wash. +
500–1500 m. +
Dry rocky hillsides, clay roadsides, fields, open pine forests. +
Flowering May–Jul. +
Fl. Bor.-Amer. +
Amoria +, Chrysaspis +  and Lupinaster +
Trifolium plumosum subsp. plumosum +
Trifolium plumosum +
subspecies +