Mentzelia torreyi var. acerosa
Leafl. W. Bot. 5: 63. 1947.
Endemic
Basionym: Mentzelia acerosa M. E. Jones Contr. W. Bot. 17: 30 1930
Treatment appears in FNA Volume 12. Treatment on page 530.
Flowers: petals 4.5–8 mm, orangish yellow, orange, or burnt orange; stamens 7–14 mm, longest usually much more than 1 mm longer than petals.
Phenology: Flowering May–Jul.
Habitat: Sagebrush scrub.
Elevation: 700–1000 m.
Discussion
Variety acerosa is known from southwestern Idaho (Ada, Elmore, Gooding, Owyhee, and Twin Falls counties).
Selected References
None.
Lower Taxa
None.