Vatica dulitensis Symington

Species

Angiosperms > Malvales > Dipterocarpaceae > Vatica

Characteristics

Young twig, raceme, leaf bud, stipule (both surfaces), petiole, and leaf nervation beneath shortly densely dark vinous tomentose, caducous on nervation, persistent elsewhere. Twig to 1 mm ø apically, slender, much branched, becoming smooth glabrous. Bud to 2 by 1.5 mm, broadly ovoid, obtuse. Stipule to 3 by 1 mm, narrowly hastate, acute, caducous. Leaves 4-11 by 0.8-3.2 cm, thinly coriaceous, narrowly obovate to elliptic-lanceolate, base cuneate; acumen to 1.5 cm long, caudate; nerves 10-12 pairs, slender, hardly raised beneath, curved, at 50°-60°, with short slender secondaries; midrib slender, prominent beneath, applanate above; petiole 6-10 mm long, slender. Panicle to 2.5 cm long, singly or doubly branched, terminal or axillary. Flower bud to 6 mm long, small. Calyx densely vinous cinereous; corolla cream; appendage to connective short, acute; flowers otherwise typical. Fruit pedicel to 3 mm long, slender. Calyx lobes equal, to 14 by 5 mm, oblong, obtuse, base to 5 mm broad, glabrous outside, vinous caducous puberulent within, becoming rotate to reflexed. Nut to 8 mm ø, globose; style remnant to 1 mm long, linear, densely shortly vinous tomentose.
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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 abundant on shale ridges, to 1350 m in Kinabalu area, occasional on undulating clay rich soils in lowlands.
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Hardiness (USDA) 10-12

Usage

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Cultivation

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Distribution

Vatica dulitensis world distribution map, present in Brunei Darussalam and Malaysia

Conservation status

Vatica dulitensis threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:321623-1
WFO ID wfo-0000423182
COL ID 7FJN3
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Vatica dulitensis