Shorea brunnescens P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Shorea

Characteristics

Medium-sized tree. Leaf bud densely shortly persistently buff pubescent, young twigs and petiole sparsely caducously so; lamina glabrous. Twig c. l,mm ø towards apex, terete, smooth; stipule scars short, horizontal, obscure. Bud to 2.5 by 2 mm, small, ovoid, acute. Stipules unknown. Leaves 6-12 by 2.5-6 cm, broadly ovate to lanceolate, coriaceous; base broadly cuneate; acumen to 1 cm long, narrow; nerves 9-11 pairs, very slender, hardly raised beneath, curved, at 45°-60°; tertiary nerves dense, subreticulate, evident but hardly raised on either surface; midrib obscure, depressed above, prominent, furrowed, beneath; petiole 1-1.5 cm long. Panicle to 9 cm long, terminal or axillary, angular, sparsely shortly buff pubescent; singly branched, branchlets to 1.5 cm long; bracteoles unknown. Flowers secund; buds to 4 by 2 mm, narrowly ellipsoid. Calyx densely pubescent outside, glabrous within; lobes ovate, acute, the inner two somewhat shorter and relatively broader than the outer 3. Petals lanceolate, shortly pubescent on parts exposed in bud. Stamens 40-62; filaments glabrous, compressed at base, tapering abruptly and filiform distally, anthers elliptic-oblong, glabrous, the inner 2 sacs somewhat smaller than the outer 2; appendage to connective shorter than anther, glabrous but for up to 2 long apical setae. Ovary and stylopodium pyriform, densely pubescent, crowned by a short columnar glabrous style. Mature fruit unknown: Fruit calyx at first greyish pubescent; calyx lobes aliform, unequal, 3 much longer than the other 2.
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Growth form tree
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Sexuality hermaphrodite
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Environment

Locally frequent on skeletal soils on high ridges to 1500 m, also sometimes on leached clay soil on undulating land.
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Cultivation

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Distribution

Shorea brunnescens world distribution map, present in Malaysia

Conservation status

Shorea brunnescens threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:321226-1
WFO ID wfo-0000496654
COL ID 6YLNC
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Shorea brunnescens