Name
Senegalia macilenta (Rose) Britton & Rose, N. Amer. Fl. 23: 111. 1928;
Synonymy and types
Acacia macilenta Rose, Contr. U. S. Natl. Herb. 8: 31. 1903. - TYPE: MEXICO. COLIMA: on river bottoms and mountainsides near Colima, 9 Jan-6 Feb 1891, E. J. Palmer 1209 (holotype: US; isotypes: BM, F, MEXU, MO, NY, VT). NOTE: See (Rico 1995) for a additional information on the synonyms of Senegalia macilenta.
Senegalia oaxacana Britton & Rose, N. Amer. Fl. 23: 110. 1928. - TYPE: MEXICO. OAXACA: valley of Oaxaca, 8 Sep 1894, E. W. Nelson 1249 [holotype: NY (MEXU photo); isotypes GH, US]. NOTE: Not Myrmecodendron oaxacanum Britton & Rose (1928), an ant-acacia from Mexico that is presently considered a synonym of Vachellia X standleyi (Safford) Seigler & Ebinger (Seigler and Ebinger, 2005). These names (but not the plants themselves) are sometimes confused because both are "acacia" species.
Lysiloma cuernavacana Britton & Rose, N. Amer. Fl. 23: 78. 1928; Acacia cuernavacana (Britton & Rose) Sandwith, Kew Bull. 1936: 8. 1936. - TYPE: MEXICO. MORELOS: valley below Cuernavaca, alt. 4000 ft., 16 Oct 1900, C. G. Pringle 8382 (holotype: NY; isotypes: BM, E, G, GH, K, MEXU, MICH, MINN, MO, UC, US).