Difference between revisions of "Psorothamnus fremontii var. attenuatus"
Mem. New York Bot. Gard. 27: 41, plate 4. 1977.
Endemic
Treatment appears in FNA Volume 11.
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Latest revision as of 17:57, 12 March 2025
Leaflet blades linear, (3–)5–25 × 0.7–1(–1.2) mm.
Phenology: Flowering spring–early summer.
Habitat: Rocky desert slopes and flats.
Elevation: 150–1000 m.
Distribution
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Ariz., Calif., Nev.
Discussion
Variety attenuatus is known from the lower Colorado River and is rather weakly differentiated from var. fremontii. Some specimens of var. fremontii from southern Utah, although far out of the range of var. attenuatus, approach it in leaflet shape and width.
Selected References
None.
Lower Taxa
None.