Xylorhiza tortifolia var. imberbis (Cronq.) T.J. Wats.
Asteraceae
M. Lane (Dec. 1993)
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K. Butterfield
170
1979-04-22
22 April 1979
K. Reichhardt, P. Warren
United States, Arizona, Coconino County, Grand Canyon National Park; north rim; Thunder River Trail, ca. 1/2 mi below where trail drops over edge of Esplanade
36.39194 -112.45056
1341 meters
4400 ft.
gravelly slump
Uncommon shrub up to 0.5 m tall; rays light purple.