familyRosaceae
subfamilyRosaceae subfam. Rosoideae
genusPotentilla
sectionPotentilla sect. Rubrae
speciesPotentilla thurberi
Potentilla thurberi var. atrorubens
J. Wash. Acad. Sci. 29: 481. 1939.
Basionym: Potentilla atrorubens Rydberg Bull. Torrey Bot. Club 24: 11, plate 288. 1897
Treatment appears in FNA Volume 9. Treatment on page 149.
Leaflets: teeth apex acute, abaxial surfaces ± white to white, straight hairs usually dense on veins, cottony hairs sparse to dense.
Phenology: Flowering summer.
Habitat: Dry grassy slopes, moist meadows and forests, oak and conifer woodlands
Elevation: 1800–2900 m
Distribution
Ariz., N.Mex., Mexico (Chihuahua, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.