Guaiacum afrum Linnaeus, Species Plantarum 1: 382. 1753.

"Habitat in Aethiopia." RCN: 3009.

Lectotype (Codd in Bothalia 6: 518. 1956): Herb. Linn. No. 532.4 (LINN) .

Current name: Schotia afra (L.) Thunb. ( Zygophyllaceae).