Monographs Details: Prosopis glandulosa var. torreyana (L.D.Benson) M.C.Johnst.
Authority: Isley, Duane. 1973. Leguminosae of the United States: I. Subfamily. Mimosoideae. Mem. New York Bot. Gard. 25 (1): 1-152.
Discussion:P. juliflora var. torreyana Benson
P. chilensis Hort.
Trans-Pecos Texas to California but interrupted by P. velutina in desert Arizona. River bottoms and canyon floors, washes, rock slopes and ridges, desert flats with greasewood, sand dunes; ruderal areas, e.g., along roadsides and irrigation ditches; sometimes cultivated. 200-6500 ft. March-June.
Johnston (1962) and Isely (1972) have both discussed variance in var. torreyana and relationships to var. glandulosa and P. velutina.