Gonystylus xylocarpus Airy Shaw

Species

Angiosperms > Malvales > Thymelaeaceae > Gonystylus

Characteristics

Tree, 12 by 1.2 m. Leaves broadly elliptic, 10-17 by 4½-9 cm, rounded at base and apex, or apex sometimes very shortly subapiculate, margin re-flexed, rigidly coriaceous, brownish when dry, somewhat shining above, glabrous except for the midrib sparsely puberulous below; midrib narrowly incised above, robust below; nerves rather closely reticulate above, laxer below, anastomosing into a distinct intra-marginal nerve. Inflorescence robust, up to 18 cm long; rhachis somewhat flattened, 3-4 mm thick; branches thick, very short, up to 8 mm long, apparently many-flowered at the apex, very minutely ferrugineo-puberulous. Pedicels up to 1.8 cm, grey-sericeous. Calyx 1 mm long, 7-8 mm ø, thickened and truncate at the base, very shortly adpressed-sericeous; segments +-deltoid, somewhat obtuse and very shortly recurved at the apex. Disk-lobes 35-40, narrowly subulate, 3-4 mm long, glabrous, epustulate. Style pilose below; parastyles 2-3, flattened-clavate, 1½ mm. Fruit globose, indehiscent (?), up to 7½ cm diam., pericarp 1½-2 cm thick, very woody or almost stony, externally verruculose, dehiscing by 4 valves. Pedicel 20 by 7 mm. Seeds complanate-ovoid, up to 1½ by 2 cm; testa smooth, somewhat shining, deep brown, scarcely 1 mm thick.
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Tree, 12 by 1.2 m. Leaves broadly elliptic, 10-17 by 4½-9 cm, rounded at base and apex, or apex sometimes very shortly subapiculate, margin re-flexed, rigidly coriaceous, brownish when dry, somewhat shining above, glabrous except for the midrib sparsely puberulous below; midrib narrowly incised above, robust below; nerves rather closely reticulate above, laxer below, anastomosing into a distinct intra-marginal nerve. Inflorescence robust, up to 18 cm long; rhachis somewhat flattened, 3-4 mm thick; branches thick, very short, up to 8 mm long, apparently many-flowered at the apex, very minutely ferrugineo-puberulous. Pedicels up to 1.8 cm, grey-sericeous. Calyx 1 mm long, 7-8 mm ø, thickened and truncate at the base, very shortly adpressed-sericeous; segments +-deltoid, somewhat obtuse and very shortly recurved at the apex. Disk-lobes 35-40, narrowly subulate, 3-4 mm long, glabrous, epustulate. Style pilose below; parastyles 2-3, flattened-clavate, 1½ mm. Fruit globose, indehiscent (?), up to 7½ cm diam., pericarp 1½-2 cm thick, very woody or almost stony, externally verruculose, dehiscing by 4 valves. Pedicel 20 by 7 mm. Seeds complanate-ovoid, up to 1½ by 2 cm; testa smooth, somewhat shining, deep brown, scarcely 1 mm thick.
Life form
Growth form tree
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 10.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Probably rain-forest at low altitudes.: Dominant tree in kerangas on flat ridge, 30-150 m altitude. Fl.--03, fr. Feb.-Apr. March, June, July.
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Probably rain-forest at low altitudes.: Dominant tree in kerangas on flat ridge, 30-150 m altitude. Fl.--03, fr. Feb.-Apr. March, June, July.
Rainforests, at low elevations. Primary rainforest and heath forest, on both clay and sandy soils; at elevations up to 250 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses. Timber for cheap furniture (Sarawak).
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Uses. Timber for cheap furniture (Sarawak).
Uses timber wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Gonystylus xylocarpus world distribution map, present in Indonesia and Malaysia

Conservation status

Gonystylus xylocarpus threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:383619-1
WFO ID wfo-0000707255
COL ID 3GZZG
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Gonystylus xylocarpus