Parashorea aptera Slooten

Species

Angiosperms > Malvales > Dipterocarpaceae > Parashorea

Characteristics

Tall tree. Young twigs, buds, petiole, bracts out-side, panicles, calyx parts of corolla exposed in bud and ovary densely evenly ± persistently buff pubes-cent; nerves beneath sparsely +-caducously so. Twig c. 2 mm ø apically, much branched, +-ribbed, becoming smooth, terete, blackish; stipule scars short, obscure. Bud to 6 by 4 mm, ovoid, acute; stipules fugaceous, not seen. Leaves 7-17 by 2.8-6 cm, ovate-lanceolate, coriaceous, ± distinctly persistently plicate, dull and ± silvery stellate puberulent beneath; base cuneate, apex to 1.5 cm long slender acuminate; nerves 6-9(-10) pairs, ascending, rather straight, slender but prominent and drying blackish beneath, applanate above; tertiary nerves very slender, hardly elevated, densely scalariform; midrib prominent beneath, shallowly furrowed above; petiole 9-18 mm long, geniculate. Panicle to 9 cm long, terminal or axillary, singly or doubly branched, branchlets with 3 prominently pedicellate flowers; bracts to 4 by 3 mm, elliptic. Flower buds to 6 by 4 mm, ovoid; calyx, petals and ovary densely hirsute. Sepals short, broadly ovate-deltoid. Stamens slightly exceeding style at anthesis; filaments compressed, broad, short, attenuate; anthers lorate; appendages very short, hardly exceeding the anthers; ovary small, ovoid; style longer than ovary, slender. Fruit pedicel to 3 mm long, stout; sepals to 14 by 3 mm, subequal, linear-attenuate, appressed to nut, incrassate at base. Nut to 2.5 cm ø, subglobose, apiculate, densely verrucose.
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Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
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Photosynthetic pathway c3

Environment

Locally frequent below 70 m in lowland forest on sandy soils on hills.
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Usage

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Therapeutic use -
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Cultivation

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Distribution

Parashorea aptera world distribution map, present in Indonesia and Malaysia

Conservation status

Parashorea aptera threat status: Critically Endangered

Identifiers

LSID urn:lsid:ipni.org:names:321132-1
WFO ID wfo-0000396668
COL ID 6TQHK
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Parashorea aptera