PLANT: Shrubs to 3 m tall. STEMS: brown to gray-brown. LEAVES: thin or thick, deciduous; petioles (0.2-) 0.5-1.6 cm long; blades elliptic or oblong to obovate, 4.5-14.1 cm long, 1.9-9.3 cm wide, REFERENCES: Christie, Kyle, Michael Currie, Laura Smith Davis, Mar-Elise Hill, Suzanne Neal, and Tina Ayers. 2006. Vascular Plants of Arizona: Rhamnaceae. CANOTIA 2(1): 23-46.