Yucca harrimaniae

Yucca harrimaniae the Spanish bayonet, is a species in the family Asparagaceae, native to Utah, Nevada, Colorado, northeastern Arizona and northern New Mexico, at elevations from 1000 m to 2700 m.
"Yucca harrimaniae" is a small, acaulescent (stemless) species forming clumps of rosettes. Flowers are nodding (hanging downward), partly greenish-white, partly purplish. The species is closely related to "Y. sterilis" .