Euonymus castaneifolius Ridl.

Species

Angiosperms > Celastrales > Celastraceae > Euonymus

Characteristics

Tree, 5 up to 15 m by 20 cm ø. Branchlets terete. Leaves chartaceous to subcoriaceous, elliptic to elliptic-oblong, sometimes ovate-oblong, rarely broad-elliptic, 5.5-13.5 by 2.5-7.5 cm, sometimes with scattered, black dots beneath; base acute to cuneate, sometimes attenuate; apex short-acuminate to acuminate, rarely obtuse; margin slightly cartilaginous, usually remotely serrulate at the upper half, slightly recurved; nerves 5-9 pairs, strongly prominent beneath, depressed above, sometimes flat above (especially specimens from higher altitude), obliquely ascending near the margin and then curving upward; veins obscure sometimes visible on both surfaces; petiole 12-15 mm. Cymes 1-4 times branched, axillary, extra-axillary, solitary or sometimes fasciculately crowded on an axillary brachyblast, 1-3 (-7) cm long, usually with several small, fimbriate bracts at the base, sometimes with subulate ones up to 6 mm. Peduncle very short, sometimes 1½-5 cm. Pedicels 3-6 mm, articulated at the base. Flowers white, 4-merous. Calyx lobes suborbicular, 1-1.5 mm ø, the inner pair largest. Petals elliptic, or broad-elliptic, 2-2.25 by 1.5-2 mm, obtuse and erose, with a few longitudinal veins. Disk slightly 4-angular. Stamens inserted on the disk between its edge and the pistil; anthers slightly depressed-oblong and contracted at the base, sometimes deltoid, dehiscing at the top. Pistil emerging c. 0.75 mm from the disk, 4-angular towards the base. Fruits subobovoid, obscurely 4-angular, red when mature, 10-18 by 7-11 mm, flat or slightly concave sometimes slightly obtuse at the top, slightly irregularly wrinkled when dry. Seeds ellipsoid, 12 by 10 mm, irregularly wrinkled, with a cup-shaped aril at the base.
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Growth form tree
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Foliage retention deciduous
Sexuality hermaphrodite
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Environment

Primary forests, sandy ridges, mossy forest, from low ridges up to 1500 m.
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Hardiness (USDA) 9-12

Usage

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Cultivation

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Germination duration (days) 220 - 365
Germination temperacture (C°) 10 - 18
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Distribution

Euonymus castaneifolius world distribution map, present in Brunei Darussalam, Indonesia, and Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:160817-1
WFO ID wfo-0000681652
COL ID 3CGTZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Euonymus moultonii Euonymus castaneifolius