Volume 4 > Part 1 > Year 1984 > Page 125 > Leguminosae-Caesalpinioideae > Intsia

1. Intsia bijuga (Colebr.) Kuntzewfo-0000168901

Rev. Gen. Pl.: 191. 1891; Drees, Bull. Jard. Bot. Buitenz. Sér. 3. 16: 89. 1938; de Wit, Bull. Jard. Bot. Buitenz. Sér. 3. 17: 139. 1941; K.Larsen & S.S.Larsen in Fl. C.L.V. 18: 144. 1980.— Macrolobium bijugum Colebr., Trans. Linn. Soc. 12: 359. 1818.— Outea bijuga (Colebr.) DC., Prod. 2: 511. 1825.— Afzelia bijuga (Colebr.) A. Gray, U.S. Explor. Exp.: 467. 1854; Baker in Hook.f., Fl. Br. Ind. 2: 275. 1879; Gagnep. in Fl. Gén. I.-C. 2: 200. 1913; Ridl., Fl. Malay Penins. 1: 639. 1922. Fig. 31: 5–9. Plate IV, 4.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Tree upto 40 m high; old specimens with buttresses up to 2 m high and 2 m wide; bark grayish; branches ± glabrous. Leaves with 2 pairs of leaflets (rarely 3). Petioles 1.5–4 cm long; rhachis 2–5 cm long; petiolules 2–8 mm. Leaflets normally asymmetric, ovate-obovate with rounded base; apex rounded, often slightly emarginate, 5–18 by 4–10 cm, glabrous, except for a stripe of hairs on: the midrib on the lower side. Inflorescence glabrous to greyish pubescent, 5–8 cm long, branched or unbranched; peduncle 1 cm. Receptacle glabrous to greyish pubescent of the same length as sepals. Sepals greenish, glabrous to hairy on outer side, 8–10 mm long. Petals white to pink (later red); claw 5 mm long; lamina 7–10 by 10–15 mm. Fertile stamens 3 cm long; anthers 2 mm long; staminodes 4–7, up to 10 mm long. Ovary shortly stipitate, pubescent; style pubescent at base, 4 cm long. Pods 8.5–25 by 4–5 cm, varying in shape. Seeds up to 8, ± orbicular; flat, 20–35mm diam.

Thailand : SOUTH-EASTERN: Chanthaburi, Trat (Ko Chang, Laem Sing); PENINSULAR: Narathiwat.

Distribution : Madagascar, S India, S Burma, Cambodia, S Vietnam, Malesia (type) to N Australia and Polynesia.

Ecology : Swamp forests, sandy seashores, behind the mangroves, on coral islands, up to 600 m alt. in coastal mountains.

Vernacular : Pradu thale (ประดู่ทะเล)(Central); lumpho thale (หลุมพอทะเล)(Peninsular).

Uses: Timber for posts and piles.