Sapindus saponaria Linnaeus var. drummondii (Hooker & Arnott) L.D. Benson. Phen: Mar-Jul. Hab: Dry to mesic upland forests and woodlands, bluffs, glade margins, stream banks, hardwood flatwoods, bottomland forests; often associated with larger rivers. Dist: MO, KS, se. CO and NM south to e. LA, TX, AZ, and n. Mexico.
Origin/Endemic status: Native
Synonymy: = Ar, GrPl, K1, K3, K4, NcTx, Tx, McNair & Andresen (2020); = Sapindus drummondii Hook. & Arn. – F, Brizicky (1963); < Sapindus saponaria L. – Mex