Shorea argentifolia Symington

Dark red meranti (en)

Species

Angiosperms > Malvales > Dipterocarpaceae > Shorea

Characteristics

Medium-sized or large buttressed tree. Young twig, panicle, leaf bud, stipule (both surfaces), petiole, leaf beneath and midrib above shortly evenly densely persistently pink-gold velutinate. Twig c. 2 by 1 mm ø apically, compressed when young, becoming terete, slender, rugulose, glabrous; stipule scars c. 1.5 mm long, short, thin, horizontal, obscure. Bud c. 4 by 2.5 mm, ovoid, slightly compressed, subacute. Stipule to 20 by 7 mm, not at first caducous, oblong-hastate, acute, base subcordate. Leaves 6-11 by 2.5-4.5 cm, oblong-lanceolate, thinly coriaceous; base obtuse; acumen c. 5 mm long; nerves c. 20-25 pairs, with prominent short secondary nerves, dense, curved towards the margin, at c. 66°-70°; tertiary nerves slender, densely scalariform, at c. 90°; midrib narrow and slightly depressed above, prominent and terete beneath; petiole 8-10 mm long, short, rugose. Panicle to 12 cm long, terminal or axillary, compressed; singly branched, the branchlets short, compact, bearing to 6 distichous flowers; bracteoles to 8 by 3.5 mm, oblong-elliptic, obtuse, caducous. Flower bud to 6 by 3 mm, ovoid, subacute. Calyx ± patent, densely pubescent outside, glabrous within; 3 outer lobes ovate-deltoid, obtuse; 2 inner lobes c. 1/2 as long, ovate, subacute. Petals pink, oblong, obtuse, densely pale golden pubescent on parts exposed in bud, hardly connate at base. Stamens 15, the 5 inner almost twice as long as the others, reaching the base of the style; filaments tapering gradually; anthers subglobose; appendage to connective short, becoming reflexed. Ovary and stylopodium pyriform, shortly pubescent; style as long as ovary, glabrous. Fruit calyx shortly pubescent; 3 longer lobes to 7.5 by 1.2 cm, narrowly spatulate, narrowly obtuse, 3-4 mm broad above the to 7 by 6 mm ovate thin saccate base; 2 shorter lobes, 10-30 by 1.5 mm, unequal, linear, similar at base. Nut to 1.4 by 0.9 cm, ovoid, shortly buff pubescent; style remnant tapering, c. 2.5 mm long.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 40.0
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, growing on the slopes of hills and sometimes on ridges, on clay-rich alluvium soils; at elevations up to 900 metres.
More
Locally frequent in mixed Dipterocarp forest, especially on clay soils on undulating land and in valleys, below 600 m.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

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

Distribution

Shorea argentifolia world distribution map, present in Brunei Darussalam

Conservation status

Shorea argentifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:321202-1
WFO ID wfo-0000500383
COL ID 6YLMD
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Shorea argentifolia