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Myanmar Name – Sit

Common Name – white siris or karoi tree

Botanical Name – Albizia procera (Roxb.) Benth.

Family Name – Fabaceae

Habitat – from India and Myanmar through Southeast Asia to Papua New Guinea and northern Australia.

Habit – Deciduous trees; to 30 m high

Bark – bark 10-15 mm, thick, surface greenish-yellow, smooth, exfoliation small, irregular; blaze red; branchlets brownish to blackish or yellowish, terete, 3-13 mm thick, silky pubescent.

Leaves – Leaves bipinnate, stipulate; stipule free, lateral; rachis 13-30 cm long, slender, pulvinate, puberulous, with a prominent gland near its base; pinnae 2-5 (6) pairs, 9.7-27 cm long, slender, evenly pinnate, opposite, puberulous; leaflets 4-20, opposite, even pinnate, estipellate, petiolule 2-3 mm long; lamina 2.5-5 x 1.8-3 cm, obliquely oblong.

Inflorescence – Flowers bisexual, yellowish-white, in globose heads, forming axillary or terminal panicles; calyx tube narrowly obconic, 2.5-3 x 1.5-2 mm, glabrous, teeth triangular; corolla 5-7 mm long, 5-lobed; lobes oblong-elliptic, puberulous towards apex; stamens many, 8-12 mm long, monadelphous at base, tube longer than the corolla tube; ovary oblong, stipitate, glabrous, style filiform; stigma terminal. Fruit a pod 10-20 x 1.8-2.5 cm, strap-shaped, flat, thin walled, rostrate at apex, glabrous, often glossy, faintly reticulately veined, black, brown or yellow when dry, stalk very short; seeds 5-12, ovate-elliptic, compressed, greenish-brown.

Flowering and Fruiting Time – Flowering and fruiting: July-August

Usage – Used as a pillar in house construction and used in making agricultural tools.