Neltuma velutina (Wooton) Britton & Rose, in N.L. Britton & al. (eds.), N. Amer. Fl. 23: 186. 1928.

Prosopis velutina Wooton, Bull. Torrey Bot. Club 25: 456. 1898.

Prosopis juliflora var. velutina (Wooton) Sarg., Silva N. Amer. 13: 15. 1902.

Prosopis chilensis var. velutina (Wooton) Standl., Contr. U.S. Natl. Herb. 23: 1658. 1926.

Type material.

U.S.A. Arizona, without further locality, Pringle 13665 (lectotype NY [NY00003272] designated by Britton & Rose in N. Am. Fl. 23(3): 186. 1928; isolectotypes: A [A00003470], CM [CM1091], MO [MO-954307]).