Volume 4 > Part 1 > Year 1984 > Page 50 > Leguminosae-Caesalpinioideae > Acrocarpus

Acrocarpus fraxinifolius Wight ex Arn.wfo-0000211685

Mag. Zool. & Bot. 2: 547. 1839; Wight, l.c: t. 254. 1840; Baker in Hook.f., Fl. Br; Ind. 2: 292. 1878; Craib in Fl. Siam. En. 1: 507. 1928. Fig. 10: 6–9. Plate III, 1.

Accepted Name : This is currently accepted.

Description : Tree up to 30 m high, often with buttresses; bark grayish; young shoots appressed yellowish tomentose. Leaves unpaired bipinnate. Petiole 5–20 cm; main rachis 10–60 cm long, pubescent when young later sub-glabrous. Pinnae 3–5 pairs. Leaflets 4–9 pairs, ovate to ovate-oblong, acuminate, slightly oblique, subsessile, when young pubescent beneath later glabrous, 2–15 by 2–7 cm. Racemes 1–3 together, dense, 20–25 cm. Pedicel 6–8 mm. Flowers reflxed after anthesis. Receptacle pubescent, 6–8 mm long. Sepals pubescent, 3–4 mm long with rounded apex. Petals red, linear-cuneate, 6–10 mm long. Filaments yellowish-orange with green base, glabrous, thick, twice the length of the petals. Ovary with 15–20 ovules. Pods long-stalked, 8–15 by 1–2 cm, flat, slightly torulose, with a 3–5 mm broad wing along the upper suture. Seeds pale brown, compressed.

Thailand : NORTHERN: Chiang Mai (Huai Um Poa, Doi Suthep, Doi Chiang Dao), Lampun (Mae Li); NORTH-EASTERNI: Loei (Phu Kradueng); EASTERN: Nakhon Ratchasima (Khao Yai); SOUTH-EASTERN: Prachinburi (Krabin Buri, Buphram).

Distribution : India (Sikkim, Assam), Burma (type), Laos, Sumatra, Java.

Ecology : In evergreen gallery forests, up to 1,100 m alt. Flowering: January–February. after shedding the leaves.

Vernacular : Kang khimot (กางขี้มอด), kai (ไก่), khang chang (ขางช้าง), daeng ham (แดงน้ำ)(Northern); saeng talon (แสงตะล่อน), hon nak (หอนนาค)(Northeastern); sadao chang (สะเดาช้าง)(Southeastern); kuai-ki (ก้วยกี่)(Northern-Karen).

Uses: Timber used for indoor construction and for plywood.