Orchid : Cleisostoma quartum (Rchb.f.) V. Agustin & G. Ariyanto, comb. nov From Rejang Land Sumatra

Homotypic Synonyms:
Echioglossum quartum Rchb.f. in W.G.Walpers, Ann. Bot. Syst. 6: 891 (1864).
Sarcanthus quartus (Rchb.f.) J.J.Sm., Orch. Java: 608 (1905).
Cleisostoma quartum (Rchb.f.) V. Agustin & G. Ariyanto, comb. nov,2012