Sindora siamensis Teijsm. ex Miq. - CAESALPINIACEAE

Synonym : Sindora cochinchinensis Baillon
Sindora wallichii Benth. var. siamensis (Teijsm. ex Miq.) Baker

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Botanical descriptions Habitat and ecology Distribution

Botanical descriptions :

Diagnostic characters : Deciduous or evergreen trees, bark smooth to slightly fissured. Exudate resinous. Leaves compound, rachis swollen at the base. Flowers in panicles, yellow-green, bisexual. Fruit an ovoid-round spiny, flattened pod often with blobs of white resin.
Habit : Deciduous or semi-evergreen tree up to 25 m tall.
Trunk & bark : Bole straight, bark dark brown, smooth or slightly fissured.
Branches and branchlets or twigs : Twigs terete, glabrous.
Exudates : Exudate resinous on fruits.
Leaves : Leaves compound, paripinnate, alternate and spiral, leaflets ovate to elliptic, 2-3 pairs, apex acuminate to rounded, base rounded, margin entire.
Midrib flat above, secondary veins oblique, widely parallel, tertiary veins reticulate. Lowest pair of veins with 2 small glands.
Stipules curved, falling off early.
Inflorescences or flowers : Flowers arranged in a many-flowered inflorescence, terminal, or in the upper axils, bisexual, pedicels longer than 0.5 cm.
Fruits : Fruit up to 8 cm long, woody, flat, pod spiny, with resin drops at the curved tips.
Seeds : Seed(s) 1-3.

Habitat and ecology :

Common in evergreen forest.

Distribution :

Malay Peninsula, Thailand, Indochina, Laos (Khammouan).

Remark/notes/uses :
The timber is termite resistent and used for construction and furniture.The bark has been used to treat fishing nets. It is sometimes planted as ornamental tree.

Specimens studied :
BT 500, BT 1108 (Herbarium of Faculty of Sciences-NUoL, NHN-Leiden and CIRAD-Montpellier).

Literature :
Hoang Van Sam, Khamseng Nanthavong & P.J.A. Keßler. 2004. Trees of Laos and Vietnam. Blumea 49: 201--349.

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