E.  .D.Merrill, ?A Second Supplementary List of Hainan Plants?, Lingnan Science Journal, vol. 6, no. 4, 1928.

C.  .J.Maximowicz, ?Ad Florae Asiae orientalis cognitionem meliorem fragmenta contulit?, Bulletin de la Societe Imperiale des Naturalistes de Moscou, vol. 54, no. 1, 1879.

C.  .J.Maximowicz, ?Diagnoses plantarum novarum asiaticarum.VI-Insunt stirpes quaedam nuper in Japonia detectae.?, Bull.Acad.Petersb., vol. 31, 1887.

C.  Pei, ?Enumeration of the Verbenaceous Plants Collected by R.C.Ching and Y.Tsiang?, Sinensia, vol. 2, no. 4, 1931.

A.  .Batalin, ?Notae de plantis asiaticis.XXVIII-XLVIII?, Acta Horti Petropolitani, vol. 13, 1893.

H.  .N.Moldenke, ?Three New Subspecific Taxa in Petrea,Premna,and Vitex?, Phytologia, vol. 18, no. 7, 1969.

Y.  .Z.Sun, ?????,?????????/Chienodoxa,A New Genus of Labiatae from Szechuan,China?, Acta Phytotaxonomica Sinica/??????, vol. 1, no. 1, 1951.

H. - T.  Chang, ???????????/A Review of the Chinese species of Callicarpa?, Acta Phytotaxonomica Sinica/??????, vol. 1, no. 3-4, 1951.