Mandevilla brachysiphon is a plant species with the common name Huachuca Mountain rocktrumpet. It is native to southern Arizona, southwestern New Mexico, Texas, Chihuahua and Sonora. It grows on rocky slopes and plains ion desert and grassland, often on limestone soil.McLaughlin, S.P. 1993 Apocynaceae A.L. Juss. Dogbane Family. Journal of the Arizona-Nevada Academy of Science 27:164-168.Encyclopedia of Life, Mandevilla brachysiphon
