Monographs Details: Croton nervosus Klotzsch
Authority: Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.
Family:Euphorbiaceae
Scientific Name:Croton nervosus Klotzsch
Description:Distribution and Ecology - Distribution. In addition to the type locality, also known from Vichada, Venezuela.BRITISH GUIANA. Kuyaliwak Falls, lat. 4° 53', Essequibo River, British Guiana, 1 Oct 1937, Smith 2155 ([male][female] fl. NY). VENEZUELA. Locally common on sandy beaches of the Rio Vichada, 6 k m W of San Jose de Ocune, Amazonas, 23 Jan 1944, Hermann 11085 ([male][female] fl. N Y ) .

Discussion:The leaves of the Venezuelan specimen are silvery lepidote below and verrucose above, with the diameter of the lepides not exceeding 0.2 mm . The Essequibo specimen has a very different indumentum, and the stellate hairs being more than 0.4-0.5 mm in diameter.
Distribution:Guyana South America| Venezuela South America|