Engelhardtia serrata Blume - JUGLANDACEAE

Synonym : Engelhardtia nudiflora Hook.f.
Engelhardtia parviflora C.DC.

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Botanical descriptions Habitat and ecology Distribution

Botanical descriptions :

Diagnostic characters : Deciduous trees, bark fissured. Leaves compound with opposite leaflets, margins toothed near top. Flowers unisexual on the same tree, minute. Fruit a winged nut.
Habit : Deciduous tree up to 20 m tall.
Trunk & bark : Bole straight. Bark grey or grey-brown, deeply fissured.
Branches and branchlets or twigs : Twigs terete, glabrous.
Exudates : Exudate absent.
Leaves : Leaves compound, alternate and spiral, odd- or even pinnate, leaflets narrowly ovate or elliptic, with yellow glandular dots, margin serrate at least at top.
Stipules absent.
Inflorescences or flowers : Flowers arranged in a many-flowered inflorescence, axillary, on leafless twigs, unisexual, on different trees, pedicels up to 3 mm long.
Fruits : Fruit nut, up to 3.5 cm long, 3-winged, not splitting open.
Seeds : Seed one.

Habitat and ecology :

Not common in undisturbed and disturbed, deciduous and evergreen forest.

Distribution :

Burma (Myanmar), Malay Peninsula, Indonesia (Sumatra, Java, Borneo, Slaws, McLucas) Philippines, Thailand, Indochina, Laos (Attapu, Khammouan, Louangphrabang).

Remark/notes/uses :
No uses known.

Specimens studied :
BT 188, BT 241 (Herbarium of Faculty of Sciences-NUoL, NHN-Leiden and CIRAD-Montpellier).

Literature :
Gardner S., Sidisunthorn P. & Anusarnsunthorn V. 2000. A field guide to Forest Trees of Northern Thailand. Kobfai Publishing Project. Bangkok. Thailand.

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