Name

Senegalia peninsularis Britton & Rose, N. Amer. Fl. 23:  116.  1928;

Synonymy and types

Acacia peninsularis (Britton & Rose) Standl., Publ. Field Mus. Nat. Hist., Bot.  Ser. 11: 158.  1936.  - TYPE.  MEXICO.  BAJA CALIFORNIA SUR:  head of Concepción Bay, 6 Apr 1911, J. N. Rose 16702 [holotype:  NY (DS photo, K photo)].  NOTE:  Because the basionym Senegalia peninsularis Britton & Rose has been more commonly used and is widely accepted, we chose that basionym for the species, rather than Senegalia confusa Britton & Rose.  For more information on Senegalia peninsularis see Glass (2003).

Senegalia confusa Britton & Rose, N. Amer. Fl. 23:  116.  1928.  - TYPE.  MEXICO.  BAJA CALIFORNIA SUR:  La Paz, 14 Jun 1897, J. N. Rose 1319 (holotype:  US).  NOTE:  The name Acacia confusa Merrill (1910), a phyllodinous Acacia species from the Philippines, blocked transfer of this specific epithet to Acacia.