Knema tenuinervia Wilde - MYRISTICACEAE

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Botanical descriptions Habitat and ecology Distribution

Botanical descriptions :

Diagnostic characters : Young petiole densely hairy covering the base of midrib.
Habit : Evergreen tree up to 25 m tall.
Trunk & bark : Bole straight, bark dark grey, flaky.
Branches and branchlets or twigs : Branches horizontal. Twigs terete or sometimes angular.
Exudates : Exudate red.
Leaves : Leaves simple, alternate and distichous, oblong to lanceolate, apex acuminate, base rounded, margin simple, dendroid hairs present below.
Primary vein single, secondary veins obtuse, tertiary veins horizontal.
Stipules absent.
Inflorescences or flowers : Flowers arranged in a few-flowered inflorescence, axillary, on short shoots, unisexual, on different trees, pedicels up to 3 mm long.
Fruits : Fruit capsule up to 4 cm in diameter, leathery, splitting in two sections.
Seeds : Seed 1, surrounded by a red aril which is divided only at top.

Habitat and ecology :

Scattered in hill evergreen forest up to 1000 m altitude.

Distribution :

Thailand, Laos (Khammouan).

Remark/notes/uses :
No uses known.

Specimens studied :
BT 520, LAO 200, LAO 201 (Herbarium of Faculty of Sciences-NUoL, NHN-Leiden and CIRAD-Montpellier).

Literature :
de Wilde, W.J.J.O. 1979. New account of the genus Knema (Myristicaceae). Blumea 25: 405.

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