Dipterocarpus glabrigemmatus P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Dipterocarpus

Characteristics

Midrib and nerves sparsely pubescent, other vegetative parts glabrous. Twig c. 3 by 2 mm ø apically, somewhat compressed and ribbed, lustrous; stipule scars slender, pale, hardly raised. Leaf bud to 6 by 4 mm, acute. Stipule unknown. Leaves 6-9 by 4.5-6 cm; broadly ovate; margin sinuate distally; base obtuse; acumen to 5 mm long, short, broad; nerves 10-11 pairs, prominent beneath, at 45°-60° near the base, straight but curving near the margin; midrib applanate above, prominently terete beneath; tertiary nerves subscalariform; petiole 1.5-2.5 cm long, slender, drying rugose. Raceme to 10 cm long, to 1 mm ø at base, axillary, unbranched, glabrous. Flower bud to 25 by 12 mm. Calyx glabrous, prominently 5-winged; corolla typical. Stamens 15, subequal; filaments compressed at base, tapering; anthers linear, 2-3 times as long as filaments; appendage to connective almost as long as anther, filiform, tapering. Ovary ovoid, small, pubescent; style c. 5 times length of ovary, pubescent except at apex. Fruit unknown.
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Growth form tree
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Sexuality hermaphrodite
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Environment

Local, Mixed Dipterocarp forest, clay soil.
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Cultivation

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Distribution

Dipterocarpus glabrigemmatus world distribution map, present in Malaysia

Conservation status

Dipterocarpus glabrigemmatus threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:320677-1
WFO ID wfo-0000651333
COL ID 6CXCY
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INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Dipterocarpus glabrigemmatus