Trichostigma octandrum Trichostigma octandrum (L.) H. Walt. in Engl., Pflanzenr. 83: f. 31. 1909 sec. S.L. Maina & al. 2004≡Rivina octandra L. in Cent. Pl. 2: 9. 1756Unknown type category: Herb. Linnaeus No. 163.3