Acer laurinum Hassk. - ACERACEAE

Synonym : Acer decandrum Merr.
Acer garettii Craib
Acer niveum Blume
Acer philippinum Merr.

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Botanical descriptions Habitat and ecology Distribution

Botanical descriptions :

Diagnostic characters : Evergreen trees bark scaly. Leaves simple, opposite, glabrous, below glaucous. Stipules absent. Flowers white. Fruit a winged samara.
Habit : Evergreen tree up to 40 m tall.
Trunk & bark : Bole straight, bark scaly, red-brown.
Branches and branchlets or twigs : Twigs terete, glabrous.
Exudates : Exudate absent.
Leaves : Leaves simple, opposite, ovate or elliptic, glaucous below, glabrous, apex acuminate, base rounded.
Midrib flat above, 3-5 basal secondary veins, secondary veins oblique, tertiary veins reticulate.
Stipules absent.
Inflorescences or flowers : Flowers white, large, arranged in an inflorescence, axillary, bisexual, pedicel longer than 0.5 cm long.
Fruits : Fruit 3.5 - 7.5 cm, a double samara, locules smooth inside, not splitting open.
Seeds : Seeds 2.

Habitat and ecology :

Usually undisturbed evergreen forest, common or scattered.

Distribution :

Burma (Myanmar), Cambodia, India (Assam), Indonesia, Laos (Khammouan), Malaysia, Nepal, Philippines, Thailand.

Remark/notes/uses :
No uses known, relatively rare.

Specimens studied :
BT 55 (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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