Dipterocarpus verrucosus Foxw. ex Slooten

Species

Angiosperms > Malvales > Dipterocarpaceae > Dipterocarpus

Characteristics

Twig, petiole, midrib and nerves beneath densely caducous minute adpressed tufted gold-brown pubescent; leaf bud and raceme densely, stipules sparsely, persistently so. Twig 1.5-3 mm ø apically, terete or slightly compressed; amplexicaul scars slightly swollen. Bud to 12 by 2-3 mm, acute, narrowly falcate to narrowly conical. Stipule to 8 by 0.8 cm, narrowly oblong, obtuse. Leaves 6-12 by 3.5-6 cm, ovate, coriaceous; base cuneate; apex subacute or with to 5 mm long acumen; nerves 9-14 pairs, prominent, well spaced, at c. 40°-50°; tertiary nerves well spaced, +-sinuate; petiole 1.2-2 cm long, geniculate. Raceme to 9 cm long, axillary, unbranched or singly branched, terete. Flower buds to 25 by 12 mm, fusiform. Calyx shortly densely pubescent; corolla typical. Stamens 15, exceeding style apex in bud; filaments as long as anthers, narrowly deltoid, applanate; anthers narrowly oblong, pubescent, tapering into the short broad obtuse connectival appendage. Ovary conical, tapering, pubescent; style glabrescent, as long as ovary, swollen below apex. Fruit calyx tube to 1.5 by 1.3 cm, globose to slightly ovoid, with 5-7 mm ø neck, glabrescent, dotted with verrucose pale brown lenticels; 2 longer lobes to 9 by 2.2 cm, oblong to spatulate, obtuse, c. 3 mm broad at the non-revolute base, 3-nerved, the 2 laterals continuing at least J of the length; 3 shorter lobes to 3 by 2 mm, narrow, revolute and recurved.
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Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
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Photosynthetic pathway c3

Environment

Mixed Dipterocarp forest on clay rich soil, occasional on undulating land but locally common on ridges below 650 m.
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Hardiness (USDA) 10-12

Usage

Uses material
Edible -
Therapeutic use -
Human toxicity -
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Cultivation

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Images

Habit

Dipterocarpus verrucosus habit picture by Pierre Bonnet (cc-by-sa)
Dipterocarpus verrucosus habit picture by Pierre Bonnet (cc-by-sa)
Dipterocarpus verrucosus habit picture by Pierre Bonnet (cc-by-sa)

Distribution

Dipterocarpus verrucosus world distribution map, present in Brunei Darussalam, Indonesia, and Malaysia

Conservation status

Dipterocarpus verrucosus threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:320783-1
WFO ID wfo-0000651452
COL ID 36QXS
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Dipterocarpus verrucosus