Parashorea parvifolia Wyatt-sm. ex P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Parashorea

Characteristics

Young twig, leaf bud, stipule, petiole and panicle sparsely shortly pale yellow-brown tomentose, caducous on twigs and petioles. Twig 1 mm ø apically, terete, smooth, glabrous, dotted with minute pale round lenticels; stipule scars short, slender. Bud to 3 by 1 mm, narrowly lanceolate, acute. Stipule to 3.5 mm long, narrowly hastate, acute, fugaceous. Leaves 6-9 by 3-4.5 cm, elliptic to ovate, glabrous; base broadly cuneate; acumen to 1.5 cm long, narrow to caudate; nerves 8-10 pairs, slender, raised beneath, curved, well spaced, at 50°-60°; tertiary nerves scalari7 form to subreticulate, widely spaced, c. 90° to nerves; midrib slender, prominent beneath, depressed above; petiole 1-1.8 cm long, geniculate, pale. Panicle to 14 cm long, terminal or axillary, singly branched, straight, pendant; bracts and bracteoles unknown. Flower bud to 4.5 by 3 mm, ellipsoid, obtuse. Calyx densely shortly grey-brown tomentose outside, glabrous within, lobes narrowly deltoid, subequal, sub-acute, not adpressed to corolla in bud. Petals elliptic, obtuse, shortly tomentose on parts exposed in bud, pale cream. Inner 5 stamens slightly longer than the others, reaching 3/4 length of style; filaments broad at base tapering; anther narrowly oblong; appendage to connective short, slightly extruding above anther. Ovary subglobose, densely tomentose; style c. 3 times length of ovary, filiform, shortly pubescent in the basal 1/3, otherwise glabrous. Fruit calyx puberulent at base, glabrescent, becoming pushed apart by the ripening nut; 3 longer lobes to 8.5 by 1.7 cm, broadly spatulate, obtuse, to 3 mm broad above the to 7 mm long unexpanded slightly thickened base; 2 shorter lobes to 7.5 cm long, often only slightly smaller than longer lobes, subequal. Nut to 1.5 by 1.3 cm, ellipsoid, obtuse, verrucose with pale lenticels, buff tomentose; style remnant to 1 mm long, short.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 50.0
Root system -
Rooting depth (meter) -
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Flower color -
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

Scattered, usually uncommon or rare, in mixed dipterocarp forest on clay soils. Found especially on upper slopes and ridges, at elevations up to 1,350 metres.
More
Local, in mixed Dipterocarp forests on clay rich soil, on ridges in mountains to 1350 m, rarely on river banks.
Light -
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Hardiness (USDA) -

Usage

Uses tea 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 -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

Parashorea parvifolia world distribution map, present in Brunei Darussalam

Conservation status

Parashorea parvifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:321144-1
WFO ID wfo-0000396695
COL ID 4DC39
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Parashorea parvifolia