Common Names
Taxonomic notes
Syn: Thoa urens Aubl. 1775; Gnetum thoa Brongn 1829 nom. illegit.; G. melinonii Benoist 1945 (1).Description
"Slender vine; twigs smooth, light grey to tan. Leaves thin, chartaceous to rarely subcoriaceous, elliptic, up to 12 × 6 cm, deflexed and acuminate to acute at apex, unequally obtuse at base, yellow-green, upper surface shining like silk, lower surface dull and sculptured with narrow primary and secondary veins (the latter less than 1 mm wide) and obscure tertiary veins. Microsporangiate axes sparingly branched, ultimate units with short internodes of 1-2 mm between bract collars. Microsporophyll barely exserted from enclosing collar. Ovule-bearing branches rarely branched, internode between bract collars up to 10 mm long. Mature seed yellow, oblongoid to slightly obovoid, often with a basal knoblike ring, sharply mucronate at apex, 35-40 mm long, 18-20 mm in diameter, outer layer thin and fibrous, inner layer chartaceous" (1).Range
"River valleys near the coast in northern Brazil, the Guianas, and Venezuela" (1).Big Tree
Oldest
Dendrochronology
Ethnobotany
Observations
Remarks
Citations
(1) Stevenson & Zanoni 1991.See also Maheshwari & Vasil 1961.
[Gnetum] [Gnetaceae] [home]
This page is from the Gymnosperm Database
URL: http://www.geocities.com/RainForest/Canopy/2285/gn/gn/urens.htm
Edited by Christopher J. Earle
E-mail:earlecj@earthlink.com
Last modified on 3-Jan-1999