Drepananthus acuminatus· (C. B. Rob.) Survesw. & R. M. K. Saunders
Surveswaran, S., Wang, R. J., Su, Y. C. F. & Saunders, R. M. K. (2010-12-16) Taxon 59 (6): 1730.

	≡ syn.	Cyathocalyx acuminatus· C. B. Rob.
		Robinson, C. B. (1908) Bull. Torrey Bot. Club 35: 66-67.
		Williams,R.S. 2143; Holotypus: NY; Isotypus: GH, K, NY (2 sheets), US

	= syn.	Drepananthus longiflorus· C. B. Rob.
		Robinson, C. B. (1911) Philipp. J. Sci., C. 6: 201-202.
		McGregor,R.C. Bureau Science 10353; Holotypus: PNH (destr.); Lectotypus: US

	= syn.	Drepananthus philippinensis· Merr.
		Merrill, E. D. (1908) Philipp. J. Sci., C. 3 (3): 137.
		Clemens,M.S. s.n. [1907-07]; Lectotypus: BO
		Clemens,M.S. 1016; Syntypus: ?
		Clemens,M.S. s.n. [1907-06]; Syntypus: ?
		Merritt,M.L. For.Bur. 6892; Syntypus: ?
		Merritt,M.L. 6896; Syntypus: ?

	≡ syn.	Cyathocalyx philippinensis· (Merr.) J. Sinclair
		Sinclair, J. (1955-02-15) Gard. Bull. Singapore 14 (2): 239.