Castanopsis nephelioides King ex Hook.F.

Species

Angiosperms > Fagales > Fagaceae > Castanopsis

Characteristics

Tree, 10-20 m by 20-60 cm Ø. Innovations densely set with yellowish brown woolly hairs. Branchlets glabrous, densely or sparsely minute-lenti-cellate; terminal bud ovoid-ellipsoid, 3-4 by 2 mm; scales narrowly ovate-acute. Leaves thin-coriaceous, ovate-elliptic or ovate-lanceolate, 8-15 by 3-6 cm; surfaces more or less discolorous, above glabrous, dull greenish grey, underneath with a dense cover of adpressed stellate hairs; base rounded and abruptly acute, margin entire, recurved, apex acute or abruptly 5 mm acuminate; midrib and nerves prominent beneath, flattish or impressed above; nerves 8-14 pairs, parallel, at an angle of 45-70° with the midrib, arcuating but not anastomosing towards the margin; reticulation fine, dense, subscalariform, obscure on both surfaces; petiole slender, 5-10 mm, glabrous, adaxially furrowed. Male rachises solitary or in paniculate clusters, 10-20 cm; bracts and bracteoles ovate-acute; ♂ flowers in clusters of 3-7; perianth 6-lobed, lobes acute, 1-1½ mm, densely rufous-tomentose outside, stamens mostly 12, filaments 2-3 mm, anthers c. ¼ mm long, pistillode subglo-bose, c. 1 mm Ø. Androgynous rachis 10-20 cm; ♀ flowers solitary; perianth 6-lobed, staminodes 12, rudimentary, styles 3, conical, 1-1½ mm long. Infructescence c. 10 cm, rachis 2-3 mm Ø, densely minute-lenticellate, carrying 1-3 cupules. Cupule sessile, asymmetrically obovoid-globose or pear-shaped, adaxially flat, 2-3½ by 1½-2 cm; wall 3-4 mm thick; surface, except for the adaxial side, densely set with short, woody, pyramidal tubercles. Fruit solitary, obovoid or pear-shaped, 1½ by 2½ cm, wall ½-1 mm thick, rugose, completely adnate to the cupule.
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A tree. It grows 10-13 m tall. The trunks are 40 cm across. The leaves are dark green and brown underneath. The fruit are bluish green and 2.5 cm across.
Life form -
Growth form tree
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Foliage retention evergreen
Sexuality monoecy
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Mature height (meter) 10.0 - 15.0
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

Forests, 60-1200 m. Fl. Febr.-June, fr. July-Dec.
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It is a tropical plant.
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Hardiness (USDA) 10-12

Usage

Uses material
Edible nuts
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Cultivation

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Distribution

Castanopsis nephelioides world distribution map, present in Iceland, Malaysia, and Thailand

Conservation status

Castanopsis nephelioides threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:295371-1
WFO ID wfo-0000814581
COL ID RP3C
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Castanopsis nephelioides