Type : "Schomburgk, n. 199 and 363." [protologue].
Guyana, on low banks in alluvial soil, 1837, fleurs. 10-12 ft high, fl. white. R.H. Schomburgk I.199 (ST:
BM001122711,
G00436621 [ex hb. DC.],
G00436623 [ex hb. Boiss.],
K000005084 [ex hb. Benth.],
K000005085 [ex hb. Hook.],
L0057940,
P02440139,
US00138540 [ex BM],
V0044468F [ex G],
V0044470F [ex BM]; ST?:
V0077458F [ex G]).
Guyana, Berbice river [fide van Dam, Fl. Guianas, Suppl. ser., 3: 68. 2002], 1837, fleurs. Shrub. Flowers white. R.H. Schomburgk I.363 (ST:
BM001122710,
BR0000005794881 [ex hb. Mart.],
G00436620 [ex hb. DC.],
E00285054,
G00436622 [ex hb. Boiss.],
K000005086 [ex hb. Benth.],
K000005087 [ex hb. Hook.],
L0057939,
P04008490,
TCD0005801,
US00643268 [ex BM],
V0044469F [ex G],
V0044470F [ex BM],
V0044471F [ex K]; ST?:
V0077458F [ex G]).
Non typifié?! J.A. Steyermark (Mem. New York Bot. Gard., 17(1): 411. 22/12/1967, fide p.de titre) a cité R.H. Schomburgk I.199 comme type et I.363 comme paratype, ce qui constitue probablement une première étape de lectotypification.