Dipterocarpus perakensis P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Dipterocarpus

Characteristics

Large tree. Parts glabrous but for the cream puberulent ovary apex. Twigs c. 2 mm ø apically, much branched, blackish. Buds to 9 by 2 mm, lanceolate, drying blackish; stipules unknown. Leaves 4-7 by 8-13 cm, elliptic, coriaceous; base broadly cuneate to obtuse; apex shortly acuminate; nerves 9-12 pairs, ascending, prominent beneath; tertiary nerves densely scalariform, slightly elevated beneath; petioles 1.5-3.2 cm long, slender. Flowers and inflorescences unknown. Fruit pedicel to 2 by 2 mm; calyx tube to 2.2 cm ø, subglobose, with 5 prominent continuous to 8 mm wide coriaceous wings; 2 longer lobes to 12 by 3 cm, oblong-lorate, obtuse, tapering abruptly to c. 8 mm wide at the revolute base; 3 shorter lobes to 5 by 5 mm, suborbicular, subrevolute, small.
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Growth form tree
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Sexuality hermaphrodite
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Environment

Very local, in lowland Dipterocarp forest on coastal hills.
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Hardiness (USDA) 9-12

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Cultivation

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Distribution

Dipterocarpus perakensis world distribution map, present in India and Malaysia

Conservation status

Dipterocarpus perakensis threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:320738-1
WFO ID wfo-0000651401
COL ID 36QW7
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Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Dipterocarpus perakensis