RICINUS communis Linn. [family EUPHORBIACEAE], Sp. Pl. ed. i. 1007;—Thunb. Prodr. 117; Bot. Mag. t. 2209; Baill. Étud. Gén. Euphorb. t. 10, 11, figs. 1–5, and Adansonia, iii. 149; Bentl. & Trim. Med. Pl. iv. t. 237; Müll. Arg. in DC. Prodr. xv. ii. 1017; Harv. Gen. S. Afr. Pl. ed. 2, 336; Hook. f. Flora Brit. Ind. v. 457; Prain in Dyer, Fl. Trop. Afr. vi. i. 945.
RICINUS lividus Jacq. [family EUPHORBIACEAE], Misc. ii. 360, and Ic. i. t. 196; Schkuhr, Handb. t. 312, fig. 1; Reichb. Ic. Bot. Exot. t. 153; Krauss in Flora, 1845, 82.
RICINUS communis Baill. var. δ sanguineus [family EUPHORBIACEAE], Adansonia, i. 342.
RICINUS communis Müll. Arg. var. δ lividus [family EUPHORBIACEAE], l.c. 1018.