Quercus lowii King

Species

Angiosperms > Fagales > Fagaceae > Quercus

Characteristics

Tree, 10-20 m, 30-40 cm ø. Branchlets initially densely set with brownish stellate hairs, late glabrescent, dark grey, shallowly fissured; older branchlets lenticellate, glabrous; terminal buds ovoid-globose, densely tomentose. Stipules linear-acute, 2-4 by ¼-½ mm. Leaves thick-coriaceous, ovate-elliptic or ovate-lanceolate, (3-)5-10(-14) by 2-5½ cm; base rounded or cordate, slightly asymmetrical, top sharply acute or ½-2 cm acuminate; margin entire or remotely serrulate in the apical half; beneath densely brownish stellate tomentose or almost glabrous, above glabrous and glossy or dull and with sparse stellate tomentum (especially on the midrib); midrib and nerves impressed above, prominent or flattened beneath; nerves 5-8 pairs, at an angle of 50-60°, parallel, arcuating towards the margin; reticulation fine, more or less areolate, distinct beneath; petiole 1-2½ cm, sulcate, densely tomentose by simple or stellate hairs. Male rachis slender, 5-10 cm, simple or rarely much-branched; bracts ovate-acute, 1-2 by ½ mm, densely stellate-tomentose, glabrescent; ♂ flowers 1-3; perianth densely tomentose by simple or stellate hairs, glabrescent, anthers 1 by ½-1 mm, filaments 1 mm, pistillode replaced by a cluster of woolly, simple hairs. Female rachis 1-2 cm, with 2-5 ♀ flowers, staminodes none, styles c. 1 mm, recurved. Young cupule obconical, 0.8-1 cm high, 0.7-1.2 cm ø; lamellae thin, 5-7, the lower ones denticulate, the rest entire, densely stellate-tomentose. Ripe cupule cup-shaped, 0.8-1 cm high, 1.3-1.8 cm ø, base rounded, covering ¼-⅓ part of the fruit. Fruit ovoid-cylindrical, 1½-2 by 1.3-1.5 cm, top rounded or acute, base convex; densely stellate-tomentose, glabrescent.
Life form -
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality monoecy
Pollination -
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Mature width (meter) -
Mature height (meter) 12.5 - 17.5
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Rooting depth (meter) -
Root diameter (meter) 0.4
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Nitrogen fixer -
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Environment

Found mainly on blackish ultrabasic soils, growing in mixed dipterocarp forest to montane forest; at elevations up to 2,500 metres.
More
Forests, up to 2500 m, mostly in the montane zone on blackish ultra-basic soil. Fr. July-March.
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Usage

Uses charcoal dye medicinal wood
Edible seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 120 - 365
Germination temperacture (C°) 10
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Distribution

Quercus lowii world distribution map, present in Indonesia and Malaysia

Conservation status

Quercus lowii threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:296410-1
WFO ID wfo-0000291771
COL ID 6WRPS
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Quercus lowii Cyclobalanopsis lowii