Shorea pallidifolia P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Shorea

Characteristics

Small to medium-sized tree with V-section fissured bark. Twigs, buds, stipule, petiole and nervation beneath persistently pale yellowish brown scabrid pubescent, lamina beneath very shortly densely persistently ocherous scabrid pubescent. Twig c. 6 by 3 mm ø towards apex, stout, compressed and ribbed at first, becoming terete; stipule scars c. 2 mm long, horizontal, prominent. Bud to 10 by 8 mm, broadly ovoid-conical, compressed. Stipule to 7 by 5 mm, oblong, obtuse. Leaves 13-22 by 7-13 cm, broadly oblong to ovate or obovate, thickly coriaceous; base obtuse or subcordate; acumen short; nerves 12-19 pairs, obscure above, prominent beneath, arched, at 110° at the base, 45°-70° near the apex; tertiary nerves slender, hardly elevated, densely scalariform; midrib obscure and depressed above, prominent beneath; petiole 2-3.5 cm long, stout, drying rugose. Panicle to 15 cm long, compressed and prominently angled, axillary, rarely terminal; singly or doubly branched, branchlets to 3 cm long, bearing to 6 distichous flowers; bracteoles to 4 by 3 mm, elliptic, obtuse, shortly evenly pubescent outside, glabrous within, caducous. Flower bud to 6 by 3 mm, ellipsoid. Sepals pubescent on parts exposed in bud; outer 3 deltoid, acute, inner 2 ovate, smaller and thinner at margin than outer 3. Petals elliptic, pubescent on parts exposed in bud; outer 3 deltoid, acute, inner 2 ovate, smaller and thinner at margin than outer 3. Stamens unknown. Ovary ovoid, glabrous; style filiform, glabrous, somewhat longer than ovary. Fruit pedicel and calyx shortly sparsely evenly pubescent. Pedicel c. 1 mm long and Ø, small. 3 longer calyx lobes to 7 by 1.5 cm, broadly spatulate, obtuse, c. 1 mm broad above the to 10 by 8 mm broadly ovate saccate somewhat thickened base; 2 shorter lobes to 4 by 0.3 cm, linear, similar but smaller at base. Nut to 12 by 9 mm, ovoid, shortly apiculate, densely shortly pale buff pubescent.
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Sexuality hermaphrodite
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Environment

Rare, on podsols in heath forest at low altitude.
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Cultivation

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Distribution

Shorea pallidifolia world distribution map, present in Malaysia

Conservation status

Shorea pallidifolia threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:321390-1
WFO ID wfo-0000500553
COL ID 4X4ZQ
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Shorea pallidifolia