Dryobalanops beccarii Dyer

Species

Angiosperms > Malvales > Dipterocarpaceae > Dryobalanops

Characteristics

Young parts sometimes fugaceous puberulent, all parts otherwise entirely glabrous. Twig to 1 mm ø apically, slender, smooth. Bud 3-4 by 2 mm, narrowly lanceolate, compressed. Stipule 5-8 mm long, linear, fugaceous. Leaves 5-8 by 1-3 cm, ovate to lanceolate, comparatively thin, base cuneate, acumen to 17 mm long, narrow, margin frequently undulate; petiole 0.7-1 cm long, very slender. Panicle to 10 cm long, terminal or axillary, terete, wrinkled on drying, irregularly doubly branched; bracteoles and bracts small, linear, fugaceous. Flower bud to 10 by 3.5 mm, fusiform, acute. Sepals glabrous, equal, narrowly deltoid, subacute. Corolla white; petals large, broadly elliptic, obtuse, glabrous. Stamens c. 30, subequal, almost 7 length of style; filaments united in a tube around the base of the ovary, the tube almost half as long as the anthers; anther narrowly oblong, the cells tapering, acute; appendage to connective short, erect, slightly exceeding anther. Ovary ovoid, glabrous; style 2-3 times as long as ovary, filiform, glabrous. Fruit calyx glabrous; base with to 8 mm ø, shallow or to 5 mm deep cup, unconstricted at the rim, tapering gradually and cuneate at the pedicel; lobes equal, to 6.5 by 0.8 cm, glabrous, oblong-spatulate, narrow, subacute, to 2 mm broad at the base, very thin and opaque between the reticulations of the nerves. Nut to 1.4 cm long and Ø, ovoid to globose, glabrous, with acute style remnant, resting on the considerably narrower calyx cup and pushing the lobes out to a wide angle.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.8
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Locally abundant on leached sandy soils, sometimes in periodically inundated areas or along streams at elevations below 700 metres.
More
Locally abundant on leached sandy soils on coastal hills and inland ridges below 700 m.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses material 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 -

Distribution

Dryobalanops beccarii world distribution map, present in Brunei Darussalam and Malaysia

Conservation status

Dryobalanops beccarii threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:320808-1
WFO ID wfo-0000657513
COL ID 37V4K
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Dryobalanops oiocarpa Dryobalanops oocarpa Dryobalanops beccarii