Type : Suriname, Saramacca river, upstream of Awana falls, riverbank forest, 05/02/1951, fleurs. Shrub 2 m. Peduncles pure white, flowers blue. J. Florschütz & P.A. Florschütz 1180 (HT: NY; IT: U0005999).
Suriname, bank of Tanjimama river (affluent de la Coppename), 17/11/1954, A.M.W. Mennega 433 (PT: U.1565659).
Suriname, Tapanahoni, 20/11/1908, Gonggijp 4102 (PT: U.1565654, US00644521).
Suriname, Saramacca river headwaters, 16/06/1944, B. Maguire 23831 (PT: U.1565657,
V0264486F).
Suriname, Cottica river, vicinity of Moengo, Begi Gado hill, forest on bauxite, 19/03/1955, B. Maguire 40821 (PT: U.1565647).