Hopea kerangasensis P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Hopea

Characteristics

Medium-sized smooth barked tree with thin flying buttresses. Twigs, petiole, buds, midrib above and domatia beneath shortly evenly persistently pale tawny pubescent, sometimes glabrescent. Twig c. 1 mm ø apically, much branched, terete, becoming smooth. Bud to 1 mm, minute, globose. Stipule fugaceous. Leaves 1.5-4.5 by 1-3 cm, small, ovate, chartaceous, with broadly cuneate base; acumen to 1 cm long, caudate; nervation dryobalanoid, obscure, main nerves c. 6 pairs: midrib slightly depressed above, slender but prominent beneath, with to 6 pairs of prominent large pale fulvous pubescent domatia; petiole 3-5 mm long, slender. Panicle to 12 mm long, axillary, small, terete, sparsely buff puberulous; singly branched, branchlets to 4 mm long, bearing to 3 distichous flowers; bracteoles minute, linear, fugaceous. Flower bud c. 1.5 by 1 mm, ovoid. Sepals ovate, acuminate, glabrous; the inner 3 shorter, relatively narrower at apex, relatively broader medially, than the outer. Petals lanceolate, puberulent on parts exposed in bud. Stamens 15, in 3 unequal verticils; filaments compressed at base, tapering and filiform below the subglobose anthers; appendage to connective slender, 2-3 times length of anther, reaching almost to style apex at anthesis. Ovary ovoid, glabrous; style as long as ovary, columnar, tapering. Fruit glabrous. Pedicel to 1 mm long, short. Calyx lobes to 6 by 5 mm, subequal, ovate, acute, saccate, thickened, the 2 outer shorter, narrower and more incrassate than the 3 inner. Nut to 8 by 5 mm, ovoid, subacute.
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Growth form tree
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Foliage retention evergreen
Sexuality hermaphrodite
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Environment

Very local; there abundant, on leached soil in mixed Dipterocarp and Heath forests on low hills.
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Hardiness (USDA) 9-12

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Cultivation

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Distribution

Hopea kerangasensis world distribution map, present in Ghana, Indonesia, India, and Malaysia

Conservation status

Hopea kerangasensis threat status: Critically Endangered

Identifiers

LSID urn:lsid:ipni.org:names:320923-1
WFO ID wfo-0000724568
COL ID 6MCFJ
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INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hopea kerangasensis