Shorea ochrophloia Strugnell ex Desch

Red balau (en)

Species

Angiosperms > Malvales > Dipterocarpaceae > Shorea

Characteristics

Large buttressed tree. Twigs, buds, stipules, petioles, panicles, sepals, part of petals exposed in bud, ovary, midrib above and leaves beneath persistently densely shortly dark golden-brown scabrid pubescent. Twig. c. 2 mm ø apically, terete, becoming blackish, rugulose to smooth. Bud to 4 by 3 mm, ellipsoid, subacute. Stipules to 10 by 5 mm, oblong-elliptic, obtuse, early caducous. Leaves (4-)6-12 by 3.5-6.5 cm, ovate to elliptic-oblong, coriaceous; margin frequently revolute; base obtuse to subcordate; apex obtuse, acute or with a short broad acumen; nerves 13-18 pairs, prominent beneath, ± depressed above, set at 80° at the base but down to 25° near the apex; tertiary nerves slender, scalariform; midrib prominent and terete beneath, somewhat depressed above; petiole 7-17 mm long, short, geniculate. Panicle to 6 cm long, terminal or axillary, short, terete; singly branched, branchlets bearing to 6 flowers; bracteoles fugaceous, unknown. Flower buds to 7 by 2 mm, fusiform. Sepals ovate, the 3 outer subacute, the 2 inner subacuminate. Petals cream with a deep pink patch at the base within. Stamens 30, subequal, filaments tapering, compressed; anthers oblong, glabrous; appendage exceeding anther apex, with to 5 ± prominent bristles; ovary with distinct stylopodium, both pubescent; style short but prominent. Fruit pedicel to 2 by 2 mm. 3 longer calyx lobes to 7 by 1.5 cm, spatulate, obtuse, c. 5 mm broad above the to 7 by 5 mm ovate saccate thickened base; 2 shorter lobes to 6 by 0.7 cm, otherwise similar. Nut to 2 by 1 cm, narrowly ovoid, tapering to an up to 3 mm long columnar style.
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) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

A canopy to emergent tree in evergreen dipterocarp forests, growing in well-drained undulating low-lying ground.
More
Scattered, local, on well drained undulating land and old alluvium below 350 m.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

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 ochrophloia world distribution map, present in Indonesia, India, Malaysia, Singapore, Thailand, and Taiwan, Province of China

Conservation status

Shorea ochrophloia threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:321380-1
WFO ID wfo-0000500544
COL ID 4X4ZF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Shorea ochrophloia