Type : "Habitat in Guianae Anglicae savannis: Rich. Schomburgk; in Guiana Gallica: Poiteau n. 381; loco haud accuratius addicto Brasiliae probabiliter ad Manáos: herb. Glaziou n. 10279.
Obs. Haec species in herbario Berolinensi cum
S. glomerata Cav. confusa conservabatur, a qua autem indole stipularum, carpidiorum et inflorescentia longe distat. Non minus indumentum sordide ferrugineum subtomentosum scabriusculum vel subpungens huic peculiaris." [protologue].
Guyana, savane, 1842-43, [M.Rich.?] Schomburgk 545 [863 B] (ST:
K000528446 [ex hb. Benth.],
P06736934).
Guyane française, 1818-1822, P.-A. Poiteau
381 (ST:
K001089067 [ex hb. Gay]).
Origine inconnue [Brésil, Amazonas, Manáus? fide K.Schum. 1891], Glaziou 10279 (ST:
K001089068,
P06624600).