Acronychia pedunculata (L.) Miq. - RUTACEAE

Basionym : Jambolifera pedunculata L.

Synonym : Acronychia arborea Blume
Acronychia laurifolia Blume.

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Botanical descriptions Habitat and ecology Distribution

Botanical descriptions :

Diagnostic characters : Evergreen trees, bark smooth to fissured, twigs angular. Leaves simple, opposite, with translucent dots in lamina. Flowers axillary, yellow-green. Fruit a fleshy drupe.
Habit : Evergreen tree up to 12 m tall.
Trunk & bark : Bole straight, sometimes leaning, bark brown, thin, smooth to shallowly fissured.
Branches and branchlets or twigs : Twigs more or less angular, glabrous.
Exudates : Exudate absent.
Leaves : Leaves simple, opposite, or sometimes alternate, elliptic to obovate, glabrous, apex pointed, base cuneate.
Primary vein single, secondary veins obtuse, tertiary veins reticulate, translucent dots and lines present.
Stipules absent.
Inflorescences or flowers : Flowers yellowish green, arranged in an inflorescence, axillary, bisexual, pedicel longer than 0.5 cm long.
Fruits : Fruit 0.9 - 2 cm, drupe with a hard stone, gland - dotted, not splitting open.
Seeds : Seeds 3-5.

Habitat and ecology :

Fairly common in dense evergreen forest.

Distribution :

Burma (Myanmar), Cambodia, China (South), India (Andamans, South-West & North-East), Indonesia, Laos (Bolikhamxai, KhammouanSaravan, Savannakhet), Malaysia (Malay Peninsula), Nepal, Sri Lanka, Vietnam.

Remark/notes/uses :
Decoction of roots, bark and leaves is used to treat scabies, sores, ulcers, and a variety of stomach diseases. Crushed leaves and fruits with citrus smell. Fragrant oil from stem and leaves used in cosmetic perfumery.

Specimens studied :
BT 517, BT 59, BT 624, BT 862 (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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