Hopea ultima P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Hopea

Characteristics

Medium-sized, unbuttressed tree with flaky bark. Twigs, petioles, panicles and calyx densely pale tawny puberulent, midrib beneath sparsely so; parts of petals exposed in bud densely pubescent. Twigs c. 2 mm ø apically, terete, ± rugose, pale brown, becoming smooth. Leaves 6-17 by 3-6 cm, oblong, subsericeous; base subcordate, ± equal, margin narrowly revolute; acumen to 5 mm long, stout; nerves 16-18 pairs, slender but prominent beneath, at 50°-65°; tertiary nerves slender, barely elevated, scalariform; midrib slender but prominent beneath, elevated above; petiole 9-14 mm long. Panicles to 5(-8) cm long, 3-axillary to ramiflorous or sometimes terminal, short, slender; 1-2 branched, the branchlets bearing to 6 secund flowers. Flower buds to 5 by 2 mm, ellipsoid. Sepals unequal, the outer 2 lanceolate, inner 3 ovate, erose. Stamens 15; filaments dilated at base, tapering medially; anthers subglobose; appendage 2.5-3 times length of anthers, aristate. Ovary and stylopodium narrowly fusiform, tapering into a shorter style. Fruit unknown.
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Growth form tree
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Foliage retention evergreen
Sexuality hermaphrodite
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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Hopea ultima world distribution map, present in France and Papua New Guinea

Conservation status

Hopea ultima threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:321018-1
WFO ID wfo-0000724680
COL ID 3MJJ3
BDTFX ID -
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hopea ultima