Xanthophyllum ramiflorum Meijden

Species

Angiosperms > Fabales > Polygalaceae > Xanthophyllum

Characteristics

Tree, up to 30 m, 27 cm dbh. Axillary buds 2, very indistinct when resting, apparently sunken into the tissue of the twig, the upper one when bursting with 2 broadly ovate c. 1-1.5 mm long persistent scales. Petiole (5—)8—12 mm. Leaf-blade coriaceous, 7-20 by 3-8 cm, apex obtuse to subacute; above brownish, midrib slightly sunken to flat; beneath pale glaucous-papillose, secondary nerves c. 8 pairs, not forming an intramarginal nerve; glands numerous, c. 0.3 mm diam. Inflorescences solitary or up to 9 together in the axils of the lower leaves and those of the already fallen ones, 1-10-flowered; axes up to 1.5 cm long, thin, glabrous; nodal glands very indistinct; bracts small, scale-like. Pedicel 8-10 mm, glabrous. Sepals dark reddish when dry; outer sepals c. 4-4.2 by 2.6 mm; inner sepals 4.5-4.8 by 3-3.3 mm. Petals white, the upper ones with a purple mark, when dry yellowish, minutely patently hairy in basal half outside and inside, further glabrous; carina like the lateral petals but a little shorter; lateral petals 7.5-8.5 by 7 mm; upper petals up to 7 by 2 mm. Stamens 8, exceptionally 7, up to c. 5 mm long; filaments connate over c. 1.5-2 mm, densely shortly patently hairy up to about halfway; anthers c. 0.7-0.8 mm long, minutely ciliate, very shortly hairy at base. Ovary light brownish, glabrous; style c. 5 mm, glabrous; stigma peltate, oblique, rather large; ovules 8-12. Fruit stipitate, ± globular, up to 1.2 cm diam., pustulate, dull, reddish brown, the style-scar more or less protruding and excentric.
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Growth form tree
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Sexuality hermaphrodite
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Mature height (meter) 30.0
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Environment

Confined to the lowland 'padang' peat-swamp forest on a very poor, sandy, wet soil.
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Hardiness (USDA) 10-12

Usage

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Cultivation

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Distribution

Xanthophyllum ramiflorum world distribution map, present in Brunei Darussalam and Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:871240-1
WFO ID wfo-0000428408
COL ID 5C7BC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Xanthophyllum ramiflorum