Bothriospermum zeylanicum Bothriospermum zeylanicum (J. Jacq.) Druce, Rep. Bot. Exch. CI. Brit. Is. 1916: 610. 1917≡Anchusa zeylanica J. Jacq. in Eclogae 1: t. 29. 1813=Bothriospermum tenellum (Hornem.) Fischer & C.A.Meyer in Index Sem. Hort. Petrop. 1: 23. 1855
