Dipterocarpus caudiferus Merr.

Species

Angiosperms > Malvales > Dipterocarpaceae > Dipterocarpus

Characteristics

Twig, leaf beneath and margin, petiole, raceme and young leaf bud sparsely, 2-2.5 mm long, ± fugaceous or caducous silky long tomentose; subpersistent on young trees, occasionally persistent on bud, twig, and petiole. Twig c. 5 mm ø, rather stout, terete; frequently rather verrucose and sometimes (usually in young trees) papery. Bud 10-25 by 3-5 mm, lanceolate, somewhat compressed. Stipules c. 1 cm long, linear. Leaves 11-20 by 5-15 cm, elliptic, thinly coriaceous, base obtuse or cuneate, apex prominently to 8 mm long acuminate; margin frequently sinuate towards the apex; midrib beneath often slightly verrucose; nerves 12-20 pairs, dense, straight, at c. 40°-50°; tertiary nerves densely scalariform, slender; petiole 3-4 cm long, rather long and slender, persistently hispid on the knee. Raceme to 15 cm long, terminal or axillary, terete, becoming angular on drying, simple or singly branched; bracteoles to 30 by 2.5 mm, linear, glabrous, caducous. Flowers distichous; buds to 5 by 0.8 cm. Calyx and corolla typical, calyx glabrous. Stamens 25, shorter than the style; filaments short; anthers narrowly oblong, tapering apically; appendage to connective tapering, glabrous, slightly shorter than the anther. Ovary ovoid-conical, glabrescent; stylopodium twice as long as ovary, narrowly cylindrical, densely tomentose; style half as long as stylopodium, narrowly cylindrical, glabrous. Fruit calyx entirely glabrous; tube to 3.5 cm ø and long, obturbinate, tapering abruptly at the base and gradually to the 0.8-1.3 cm ø neck; 3 longer lobes 12-17 by 2-3 cm, oblong-lanceolate, obtuse, tapering to c. 5 mm broad at the base, prominently 3-nerved; shorter lobes 4-6 by 5-7 mm, deltoid, obtuse, undulate.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 25.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

A canopy or emergent tree in mixed Dipterocarp forests, found mainly in clay soils on undulating land and hillsides below elevations of 800 metres. It is sometimes semigregarious on fertile soils.
More
Clay soils in mixed Dipterocarp forests, on undulating land and hillsides below 800 m; sometimes semigregarious on fertile soils.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses oil timber wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Dipterocarpus caudiferus unspecified picture

Distribution

Dipterocarpus caudiferus world distribution map, present in Brunei Darussalam

Conservation status

Dipterocarpus caudiferus threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:320647-1
WFO ID wfo-0000651304
COL ID 36QTB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Dipterocarpus macrorrhinus Dipterocarpus caudiferus Dipterocarpus kutaianus