[1669] Junghuhn, Plantæ Jungh., p. 255.
[1670] Soja angustifolia, Miquel; see Hooker, Fl. Brit. Ind., ii. p. 184.
[1671] Rumphius, Amb., vol. v. p. 388.
[1672] Tussac, Flore des Antilles, vol. iv. p. 94, pl. 32; Grisebach, Fl. of Brit. W. Indies, i. p. 191.
[1673] See Wight and Arnott, Prod. Fl. Penins. Ind., p. 256; Klotzsch, in Peters, Reise nach Mozambique, i. p. 36. The yellow variety is figured in Tussac, that with the red flowers in the Botanical Register, 1845, pl. 31.
[1674] Bentham, Flora Hongkongensis, p. 89; Flora Brasil., vol. xv. p. 199; Bentham and Hooker, i. p. 541.
[1675] Tussac, Flore des Antilles; Jacquin, Obs., p. 1.
[1676] Rheede, Roxburgh, Kurz, Burm. Fl., etc.
[1677] Thwaites, Enum. Pl Ceylan.
[1678] Loureiro, Fl. Cochin., p. 565.