United States, Arizona, Mohave, 4680ft elevation, vicinity of Cactus Pass, 50km east of Kingman, along Willow Ranch Road, 300m north of I-40
35.18 -113.48
meters
T21N R11W SW3 SE3 SW3 S19
among granite boulders with Astragalus calycosus, A. oophorus, Bouteloua curtipendula, B. gracilis, Calochortus kennedyi, Ceanothus greggii, Cylindropuntia acanthocarpa, C. whipplei, Elymus elymoides, Ericameria linearifolia, Gutierrezia sarothrae, Hymenopappus filifolius, Juniperus osteosperma, Opuntia engelmannii, O. phaeacantha, Quercus turbinella, and Yucca baccata.
Early flower buds photographed 23 March 2010 from individual transplanted to outside garden, Chino Valley, Arizona; flower bud collected during meiosis of microgametogenesis 28 March 2010, another collected 17 April 2010; n=22; flowers photographed and collected 14 April 2010.