Type : "This very curious plant was received by Messrs. Loddiges from Mr. Schomburgk." [protologue].
Guyana, monts Acarai, R.H. Schomburgk s.n. (HT:
K000718359 [ex hb. Lindl.; une inforescence]).
D'après Romero-González (Harvard Pap. Bot., 10(2):
236.
2005): "The holotype is labelled "Schomburgk Hort. Loddiges." Lindley ([London J. Bot., 2(12):
672. 12/]1843) reported "Acaray Mountains" as the type locality, the current spelling of which is "Acarai," a chain of mountains running roughly east to west at the southernmost border of Guyana with Brazil (approximately 0˚ 25' N 59˚W). It is assumed here that Schomburgk made this collection on the Guyana side of the border. Listed as
Houlettia vittata in Bentham’s enumeration (Lindley, [London J. Bot., 2(12):
672. 12/]1843)."