Monographs Details: Chelonanthus albus (Spruce ex Progel) V.M.Badillo
Authority: Maguire, Bassett. 1989. The Botany of the Guayana Highland- Part XIII. Mem. New York Bot. Gard. XIII: 1-127.
Family:Gentianaceae
Description:Distribution and Ecology - Apparently restricted to southwestem Venezuelan Guayana.

Discussion:

Type. In vicinia Barra prov. do Alto Amazonas. R. Spruce (not seen by us).

Lisianthus albus Spmce ex Progel, Fl. bras. 6(1): 237. 1865.

Irlbachia alata (Aublet) Maas subsp. alba (Spmce ex Progel) Persoon & Maas, Proc. Kon. Ned. Akad. Wetensch. Ser. C. 88(4): 409. 1985.

Specimens examined. VENEZUELA, territorio amazonas: Rio Cunucunuma, along banks of river above Raudal Pacure, 9 Nov 1950, Maguire, Cowan & Wurdack 29403A (NY); upper Rio Yaciba between Base Camp and white-water aflluent, alt. 175 m, flowers white, 30-31 Jan 1954, Maguire, Wurdack & Bunting 37464 (NY); granitic piedra on right bank of Rio Casiquiare between Solano and Rio Guainia, occasional in open area; herb 0.7-1 m, flowers white, 100-130 m ah., 9 Jul 1959, Wurdack & Adderiey 43361 (NY); bosque a lo largo del Rio Yatua al pie del Cerro Arauicaua, 125 m ah., 10 Apr 1970, Steyermark & Bunting 102514 (VEN); Rio Casiquiare, en el lado izquierdo, Rio abajo, arriba de Solano, 100 m ah., 8 Apr 1970, Steyermark & Bunting 102439 (VEN).