Monographs Details: Gymnanthes hypoleuca Benth.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Family:Euphorbiaceae
Description:Distribution and Ecology - Upper Casiquiare and adjacent Hylaea areas. BRAZIL. Amazonas: Municipality Humayta, between Monte Christo and Santa Victoria on Rio Ipixuna, margin of river, 15-17 Nov 1934, Krukoff 7269 (NY); Rio Negro-Tapuruquara, 8 Apr 1947, Murca Pires 316 (NY).

Discussion:

Gymnanthes hypoleuca var intermedia Mull.-Arg., Linnaea 32: 103 1863 (type Spruce 2806). ' ’ Sebastiania hypoleuca var genuina Mull.-Arg. in DC., Prodr. 15(2): 1184. 1866- Gym-nanthes hypoleuca var amgustifolia Mull.-Arg., Linnara 32: 103 1863 type Spruce 3780).

Sebastiania hypoleuca var angustifolia Mull.-Arg. in DC., Prodr. 15(2): 581. 1874.

Type. Prope San Carlos de Rio Negro, Amazonas, Venezuela, Apr 1853, Spruce 2806,3780 (iso-syntype, NY) (photo of Berlin specimen in NY).

Note:Gymnanthes guyanensis Mull.-Arg. (Linnaea 32: 102. 1863) (type, Schomburgk 1280 B) has not been seen by recent authors.

Distribution:Brazil South America|