Type : Guyana, Potaro River, Kaieteur Falls, by stream in high forest, descending from savana to falls, ca. 400 m, 05/09/1937, growing with spp. of Rapateaceae, only this specimen collected, no others seen with inflorescence. Growing with spp. of Rapateaceae. Leaves very long acuminate. Heads brown. Stigmas 2. Styles 2. N.Y. Sandwith 1379 (HT:
K000584373 [fragm.:
MSC0092171; photo:
MSC0092171,
NY00051225-01 &
NY00051225-02, US]).