The Gymnosperm Database


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Conservation status

Gnetum leyboldii

Tulasne 1858

Common names

Taxonomic notes

Syn: Gnetum paraense Huber 1902 (Stevenson and Zanoni 1991).


"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)" (Stevenson and Zanoni 1991).

Distribution and Ecology

"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" (Stevenson and Zanoni 1991).

Big tree







See also

Carlquist (1996) (wood anatomy).

Maheshwari and Vasil 1961.

Last Modified 2017-12-29