Dipterocarpus littoralis Blume

Species

Angiosperms > Malvales > Dipterocarpaceae > Dipterocarpus

Characteristics

Young parts ± densely pale ferrugineous pubescent, persistent only on leaf bud, stipule outside and ovary, becoming sparse though subpersistent on petiole and midrib above. Twigs 8-11 mm ø, stout, terete, rough, with prominent large petiole scars. Bud c. 20 by 15 mm, ovoid-lanceolate. Stipule to 15 by 4 cm, lanceolate, acute, caducous. Leaves clustered round the twig apices, 16-25(-52 in young trees) by 10-18(-28) cm, broadly ovate, thinly coriaceous, +-prominently persistently plicate; base obtuse or cordate; apex shortly acuminate; nerves 19-24 pairs, straight, at 60°-70°, prominent beneath; tertiary nerves laxly scalariform, slender but distinctly elevated beneath; midrib prominent beneath, applanate or somewhat elevated above; petiole 3-9(-12) cm long, prominently geniculate. Inflorescences to 20 cm long, glabrous, axillary and crowded round the twig apices, lax, compressed, bearing to 3 flowers. Flower buds to 35 by 10 mm, prominently pedicellate. Stamens c. 30; filaments tapering, anthers narrowly tapering, auriculate, pubescent; appendages shorter than anthers. Fruit pedicel to 5 by 4 mm, prominent; calyx tube to 3.5 by 3 cm, obturbinate, smooth; 2 longer lobes to 24 by 4 cm, lorate, narrowly obtuse or subacute, c. 7 mm broad and somewhat revolute at base; 3 shorter lobes to 10 by 6 mm, obtuse, with revolute margins.
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Sexuality hermaphrodite
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Environment

Apparently common in the mixed lowland rain forest.
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Cultivation

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Distribution

Dipterocarpus littoralis world distribution map, present in Indonesia

Conservation status

Dipterocarpus littoralis threat status: Critically Endangered

Identifiers

LSID urn:lsid:ipni.org:names:320709-1
WFO ID wfo-0000651365
COL ID 36QV7
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Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Dipterocarpus littoralis