Jatropha urens Linnaeus, Species Plantarum 2: 1007. 1753.

"Habitat in Brasilia." RCN: 7296.

Lectotype (Wijnands, Bot. Commelins: 96. 1983): Herb. Linn. No. 1141.13 (LINN) .

Current name: Cnidoscolus urens (L.) Arthur ( Euphorbiaceae).