Xanthophyllum nigricans Meijden

Species

Angiosperms > Fabales > Polygalaceae > Xanthophyllum

Characteristics

Small tree, up to 15 m, 20 cm dbh. Twigs finely longitudinally wrinkled. Axillary buds 2 or 3 (or 4), 1.5-2.2 mm long, very densely shortly patently light-brown hairy. Petiole (6—)7—11(—14) mm. Leaf-blade 3.5-12 by 1.2-5.5 cm; above greyish olive-green (to brownish); beneath concolorous, or bluish because of thin waxy layer, (glaucous-)papillose, secondary nerves 5 or 6 (or 7) pairs, forming a more or less distinct intramarginal nerve; glands rather scarce or sometimes apparently absent, situated on or near the midrib, 0.1-0.2 mm diam., basal ones often slightly larger. Inflorescences unbranched, shorter than the leaves; axes flattened, angular, black, very sparsely appressedly hairy; flowers with 1-3 together. Pedicel 2-2.5 mm, black, nearly glabrous. Sepals glabrous outside, densely very shortly more or less patently hairy inside at base, further glabrous inside; outer sepals 1.8 by 1.7 mm; inner sepals 2.5 by 2.1 mm. Petals white, when dry dark reddish, very sparsely appressedly hairy outside, faintly ciliolate apically, the longest one 8 mm long. Stamens: anthers c. 0.3 mm long. Ovary black, glabrous; style glabrous or basally very sparsely appressedly hairy; ovules 4. Fruit globular, up to 1.3 cm diam., dull, slightly wrinkled, brownish; pedicel up to 3 mm long.
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Growth form tree
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Sexuality hermaphrodite
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Mature height (meter) 15.0
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Hardiness (USDA) 10-12

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Cultivation

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Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:871235-1
WFO ID wfo-0000428360
COL ID 7G6YC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Xanthophyllum nigricans