 | Gnetum leyboldii Tulasne 1858Common NamesTaxonomic notesSyn: Gnetum paraense Huber 1902 (1).Description"Woody vine; branches articulate, bark of older stems deeply grooved. Leaves very coriaceous, without subepidermal fibers, elliptic to elliptic-oblong, up to 20 × 15 cm, abruptly acuminate at apex, cordate to rounded at base. Microsporangiate axes much branched, painiculate, ultimate units verticillate with congested internodes less than 2 mm long at anthesis. Microsporophylls clavate. Ovule-bearing axes sparsely branched, ultimate units with internodes less than 10 mm long. Mature seed deep red to vermilion, oblongoid, 45-50 mm long, 20 mm in diameter, acuminate at apex, outer layer fleshy and thick (3 mm)" (1).Range"Low elevations to 500 m in northern Brazil, Amazonas to Bolivar in Venezuela, and eastern Ecuador and Colombia. Not yet known from the Guianas but to be expected in the southern region" (1).Big TreeOldestDendrochronologyEthnobotanyObservationsRemarksCitations(1) Stevenson & Zanoni 1991.See also Maheshwari & Vasil 1961 (general anatomy) and Carlquist 1996 (wood anatomy). |
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