Exacum tetragonum Roxb. [ Exacum bicolor Roxb.]
      
no HD illustration available (m3)
6 428591 Exacum tetragonum Roxb. Gentianaceae
K.R. Kirtikar, B.D. Basu, Ind. Med. Pl., Plates, vol. 4 : t. 635 (1918)