Dipterocarpus kerrii King
Family
Dipterocarpaceae
Synonyms
D. obconicus Foxw., D. cuneatus Foxw., D. perturbinatus Foxw.
Vernacular Names
Malaysia | Keruing gondol (Peninsular, Sabah), keruing chair, damar minyak (Peninsular). |
Indonesia | Lagan beras (northern Sumatra). |
Philippines | Malapanau (General), panalsalan (Bikol). |
Burma | See-bin. |
Thailand | Yang-manmu, yang-man-khon, yang-wat (Peninsular). |
Geographical Distributions
Dipterocarpus kerri is distributed inthe Andaman Islands, peninsular Burma, peninsular Thailand, peninsular Malaysia, northern Sumatra, Sabah and the Philippines.
Description
D. kerri is a medium-sized to fairly large tree of up to measure 40 m tall, tall bole, branchless for up to measure 25 m, with a size up to measure 150 cm in diametre and blunt buttresses. The bark surface is non-fissured, dark grey to yellowish-grey in colour and flaky. The outer bark is thin and grey while the inner bark is pinkish-brown in colour, brittle and with pale ochre sapwood. The buds are lance-shaped-falcate and hairless.
The leaves are broadly elliptical in shape, measuring about 8-13 cm x 3.3-7 cm, wedge-shaped base and up to 5 mm long acumen. The secondary veins are (7-)9-11 pairs, ascending, hairless, 2-3 cm long petiole, linear-lance-shaped stipules, subacute and silky hairy inside. The stamens are about 30.
The fruit sepal tube is spherical to subturbinate and smooth, where the 2 larger fruit sepal lobes are up to measure 14 cm x 3 cm while the 3 shorter ones are up to 1 cm x 1 cm.
Ecology / Cultivation
D. kerrii is locally common in semi-evergreen and evergreen lowland dipterocarp forest and occurs near the coast or less frequently inland on flat land or hills up to400 m altitude. The density of the wood is 555-875 kg/m3 at 15% moisture content.
Line Drawing / Photograph
References
- Plant Resources of South-East Asia No. 18: Plants producing exudates.