Mentzelia torreyi var. acerosa

(M. E. Jones) Barneby

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.
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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.