USA, Arizona, Maricopa County, Maricopa County: Grown in cultivation at Desert Botanical Garden, Phoenix, N 33 deg 27' 33sec, W 111 deg 56' 35sec, 1200 ft., 366 m: accession number 1992 1158 0105; native plant found growing on grounds at Desert Botanical Garden, accessioned 10 September 1992.
Habitat desert scrub; hardy shrub 2 meters by 2 meters, shrub has 'weeping willow' shape; 5 mature trunk stems; bark color gray, shaggy at base; stem shape square with striations on older stems, color gray to purple on new growth, new growth, pubescent; spines present at stipules; leaf color green, shape elliptic, pubescent; flowers tubular and hang down, exterior corolla white, interior purple with yellow center.