Frangula betulifolia subsp. betulifolia

LEAVES: thin, oblong to elliptic, usually more than 1¾ times as long as wide; veins thin, not prominent. NOTES: See also parent taxons. Stream and creek banks: Apache, Cochise, Gila, Graham, Greenlee, Navajo, Pima cos.; 1347-2341 m (4420-8800 ft); Apr-Sep; NV, UT, s to TX. 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.