Shorea revoluta P.S.Ashton

Light red meranti (en)

Species

Angiosperms > Malvales > Dipterocarpaceae > Shorea

Characteristics

Medium-sized tree. Twig, panicle, leaf bud, stipule outside (pubescent within) and petiole densely shortly pale brown to fulvous somewhat scabrid pubescent; nervation beneath and midrib above more sparsely so, glabrescent. Twig c. 2-3 mm ø apically, at first slightly ribbed and compressed, becoming terete, stout, smooth, glabrous: stipule scars to 2 mm long at first, horizontal, narrow, obscure. Bud 4-7 by 3-5 mm, ovoid, compressed, subacute. Stipule to 1.5 by 0.7 cm, elliptic to oblong, obtuse. Leaves 10-15 by 5.5-10 cm, ovate, coriaceous, lustrous; base obtuse to subcordate; acumen to 1.5 cm long, narrow; margin revolute: nerves 9-12 pairs, curved, prominent beneath, well spaced, at to 90° at the base and down to 45° towards the apex, with small glabrous axillary domatia; tertiary nerves slender, scalariform, diagonal to nerves; midrib narrow and slightly depressed above, prominent beneath; petiole 1.3-1.5 cm long. Panicle to 22 cm long, singly or doubly branched, terminal or axillary, straight. Flower bud to 7 by 4 mm. Sepals narrowly deltoid-ovate, subacute, pubescent on parts exposed in bud, the inner 2 smaller than the outer 3. Petals lanceolate, hispid on parts exposed in bud. Stamens 15, in 3 unequal verticils; filaments slender, compressed, tapering to the small subglobose anthers; appendage to connective slender, short, as long as anther, anthers and appendages becoming reflexed. Ovary and stylopodium narrowly conical, densely pubescent; style slender, filiform, glabrous, c. 1/2 length of ovary and stylopodium. Fruit pedicel to 1.5 cm long. Calyx puberulent; 3 longer lobes to 7.5 by 1.3 cm, narrow, spatulate, obtuse, c. 3 mm broad above the c. 6 by 5 mm ovate thickened saccate base; 2 shorter lobes to 3.5 by 0.2 cm, subequal, linear, acute, similar at base. Nut to 1.5 by 0.8 cm, ovoid, pale buff pubescent; style remnant c. 1.5 mm long, tapering.
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Growth form tree
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Sexuality hermaphrodite
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Environment

Local, Heath forest on terraces and sandstone plateaux to 1200 m.
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Hardiness (USDA) 10-12

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Cultivation

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Distribution

Shorea revoluta world distribution map, present in Brunei Darussalam and Malaysia

Conservation status

Shorea revoluta threat status: Critically Endangered

Identifiers

LSID urn:lsid:ipni.org:names:321421-1
WFO ID wfo-0000499363
COL ID 4X52L
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Shorea revoluta