Dracontomelon dao (Blanco) Merr. & Rolfe
Family
Anacardiaceae
Synonyms
Dracontomelon mangiferum Blume, Dracontomelon sylvestre Blume, Dracontomelon puberulum Miq., Dracontomelon edule (Blanco) Skeels.
Vernacular Names
| Malaysia |
Sengkuang (Peninsular, Sabah), unkawang (Sarawak), sarunsab (Dusun, Sabah). |
| Indonesia | Dahu (General), sengkuang (Kalimantan), basuong (Irian Jaya). |
| Thailand | Ka-kho, sang-kuan (Peninsular), phrachao ha phra ong (Chiang Mai). |
| Papua New Guinea | New Guinea walnut (General), mon (Pidgin). |
| Philippines | Dao (General), maliyan (Tagalog). |
Geographical Distributions
Dracontomelon dao is found in India, Burma (Myanmar), Thailand, Cambodia, southern China, throughout the Malesian area towards the Solomon Islands.
Description
Dracontomelon dao is a large tree that can reach up to 45(-55) m tall. Its bole is branchless for up to 20(-25) m, measuring up to 100(-150) cm in diametre and with narrow buttresses up to 6 m high. The surface of the bark is irregularly scaly, and greyish-brown with brown or greenish patches. The inner bark is pink to red.
The leaf rachis is 6-25(-44) cm long, with (7-)9-19 leaflets, alternate to opposite, measuring 4.5-20(-27) cm x 2-7(-10.5) cm, hairless or sometimes pubescent below and with hairy domatia.
The flowers are 7-10 mm long, in panicles measuring up to 50 cm long. The disk is minutely hairy.
The fruit is spherical and 5-celled.
Ecology / Cultivation
Dracontomelon dao occurs in primary or secondary evergreen to semideciduous forests in areas with high rainfall or less frequently in areas with a short dry season where it is deciduous or partly so. It is found scattered on clayey to stony soils at 0-500(-1000) m altitude. The density of the wood is (330-) 370-790 kg/m3 at 15% moisture content.
Line Drawing / Photograph
References
- Plant Resources of South-East Asia No.5(2): Timber trees: Minor commercial timbers.
