Mentzelia isolata
A plant of southeastern Arizona, similar to Mentzelia asperula but with narrow lobes at the base of the leaves.
An inflorescence between Portal and Paradise in the Chiricahua Mts., 9/2/06.
A flower between Portal & Paradise, 9/2/06.
Buds, showing grappling-hookiform trichomes, 9/2/06.
A cauline leaf between Portal & Paradise, 9/2/06.