Dipterocarpus ochraceus Meyer

Species

Angiosperms > Malvales > Dipterocarpaceae > Dipterocarpus

Characteristics

Large tree. Young parts densely ocherous velu-tinate, persistent on leaf buds, stipules outside, and twigs, becoming sparse yet partially persisting on petiole and nervation beneath, caducous on other known parts. Twigs c. 4 mm ø apically, rather stout, terete, ± minutely fissured. Buds to 20 by 8 mm, large, ovoid-lanceolate, acute; mature stipules unknown. Leaves 10-19 by 4.5-9.5 cm, broadly elliptic-ovate, coriacous, ± persistently plicate; base cuneate or rarely obtuse; acumen to 15 mm long, broad; nerves 11-15 pairs, slender but prominent beneath, ascending at 30°-60°; tertiary nerves densely subscalariform, slender but distinctly elevated beneath; midrib prominent beneath, +-applanate above; petiole 1.5-2.5 cm long, stout. Inflorescences and flowers unknown. Fruit pedicel to 3 by 2 mm, prominent. Calyx tube to 18 by 15 mm, broadly ellipsoid, with 5, to 2 mm broad, continuous straight coriaceous wings; 2 longer lobes to 8 by 1.8 cm, lorate-spatulate, narrowly obtuse, c. 6 mm broad at base; 3 shorter lobes to 6 by 6 mm, ovate, subacute, subrevolute.
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Sexuality hermaphrodite
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Environment

Ultrabasic and basaltic mountains, 600-700 m.
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Cultivation

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Conservation status

Dipterocarpus ochraceus threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:320728-1
WFO ID wfo-0000651390
COL ID 6CZ96
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Dipterocarpus ochraceus