Type : "British Guiana: in mora forest, Moraballi Creek, near Bartica, alt. near sea-level, Sept. 24, 1929, Sandwith 334 (K, NY, Type, U, MBG, photograph and analytical drawings); data incomplete, Jenman 6316 (K, NY)." [protologue].
Guyana, Moraballi Creek (environs de Bartica), forêt de
Mora, niveau de la mer, 24/09/1929, fleurs. Flowers green, but hairs in throat and at top of anthers are white. N.Y. Sandwith 334 (HT:
NY00298087; IT:
K000582647,
U0000510, MO [photo & dessins analytiques]).
Guyana, G.S. Jenman 6316 (PT: K,
NY02331683).