Dipterocarpus fusiformis P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Dipterocarpus

Characteristics

Large tree. Young parts densely buff velutinate, persistent on leaf bud and stipule outside, becoming sparse yet +-persistent on twigs, petiole and leaf undersurface, elsewhere caducous. Twigs c. 2 mm ø apically, slender, terete, ± verrucose. Buds to 15 by 3 mm, linear, lanceolate; stipule to 30 by 6 mm, lanceolate, acute. Leaves 7-17 by 3-7 cm, elliptic or narrowly ovate, coriaceous; base cuneate or obtuse; acumen to 12 mm long, slender, prominent; nerves 13-17 pairs, slender but prominent beneath, ascending at 30°-40°; tertiary nerves densely scalariform, evident but hardly elevated beneath; petiole 2-2.6 cm long, slender. Complete inflorescences unknown; inflorescences singly branched or unbranched, axillary. Flowers unknown. Fruit pedicel c. 1 mm long, short; calyx tube to 28 by 18 mm, ellipsoid, with 5, to 6 mm broad, straight incrassate wings or narrow ridges, continuous from base to apex but generally broader in the distal half; 2 longer lobes to 10 by 2.6 cm, broadly spatulate, obtuse, c. 1 mm wide at base; 3 shorter lobes to 5 by 5 mm, suborbicular, subrevolute.
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Environment

Undulating well drained fertile soils; Mixed Dipterocarp forest; rare.
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Cultivation

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Distribution

Dipterocarpus fusiformis world distribution map, present in Malaysia

Conservation status

Dipterocarpus fusiformis threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:320674-1
WFO ID wfo-0000651330
COL ID 6CXD9
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Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Dipterocarpus fusiformis