Aglaia lawii (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Aglaia lawii (Wight) C.J. Saldanha ex Ramamoorthy

Protologue: C.J. Saldanha & Nicolson, Fl. Hassan Distr.: 392, pl. 76 (1976).

Synonyms

• Aglaia littoralis Zippelius ex Miq. (1868),
• Amoora korthalsii Miq. (1868),
• Amoora lawii (Wight) Beddome (1871),
• Aglaia eusideroxylon Koord. & Valeton (1896).

Vernacular names

• Indonesia: lasih (Sumatra), kayu jangan (Sulawesi), langsat lutung (Java), aisnepapir (Biak, Irian Jaya)
• Malaysia: bekak (Peninsular), lasat-lasat (Dayak, Sabah), segera (Iban, Sarawak)
• Philippines: talisaian (Ibanag), salotoi (Ibanag), sulmin (Tagalog)
• Burma (Myanmar): tagat-thitto
• Thailand: sang katong (peninsular)
• Vietnam: gội duyên hải.

Distribution

From India through Burma (Myanmar), Thailand, Indo-China and throughout Malesia towards the Solomon Islands.

Uses

A. lawii is an important source of timber. In the Philippines the leaves are used against headache.

Observations

• A medium-sized to fairly large tree up to 40 m tall, bole branchless for up to 15 m, up to 200 cm in diameter, fluted or with buttresses up to 1.8 m high, bark surface reddish-brown to yellowish-brown or pale pinkish-brown, sometimes grey or greenish-brown, inner bark green.
• Leaflets (1-)2-7(-11), alternate to subopposite, with 5-21 pairs of secondary veins, with numerous pits on both surfaces, glabrous on both surfaces or with numerous pale brown or pale orange-brown peltate scales with an irregular to fimbriate margin on the lower surface.
• Flowers 3-4(-6)-merous, anthers (5-)6-10(-11), style-head ovoid with (2-)3 apical lobes or columnar with a truncate apex.
• Fruit dehiscent, (2-)3(-4)-locular.

A. lawii is locally common and occurs in primary or secondary evergreen to deciduous forest, sometimes in peat-swamp or riverine forest, on sandy to clayey soils or limestone, from sea-level up to 1650 m altitude. The wood is reported as hard and durable and has a density of 590-995 kg/m³ at 15% moisture content. See also the table on wood properties.

Selected sources

12, 63, 140, 180, 218, 228, 302, 303, 481, 544, 731. timbers

247, 541. medicinals

Main genus page

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Authors

• Sri Hayati Widodo