Lithocarpus luteus Soepadmo

Species

Angiosperms > Fagales > Fagaceae > Lithocarpus

Characteristics

Tree 18-36 m, 30-100 cm ø; buttresses up to 2 m tall and out; bark deeply fissured to scaly, reddish brown. Branchlets initially densely yellowish brown to fulvous tomentose by adpressed stellate hairs, later glabrous, dark greyish brown, densely warty lenticellate; terminal buds ovoid, 3 by 2 mm, scales narrowly ovate-acute. Stipules linear-acute, 4-6 by 1 mm. Leaves thick-coriaceous, (7-)9-12(-15) by (2½-)3½-5(-6) cm (index 2½-3), broadest at or slightly below the middle; surfaces more or less concolorous, yellowish brown, above glabrous, glossy, underneath with a thin cover of adpressed stellate hairs; base acute to cuneate, margin recurved, top acute to 1 cm acuminate; midrib and nerves yellowish, thin, prominent beneath, flat above; nerves 9-12 pairs, dense, parallel, at an angle of 45-50°, arcuating but not anastomosing towards the margin; reticulation fine, dense, scalariform, distinct beneath; petiole 8-13 mm, 2 mm ø, adaxially flat. Inflorescence male or androgynous, densely yellowish brown stellate hairy; bracts and bracteoles narrowly ovate to linear, 2-2½ by 1 mm. Male rachis 10-15 cm, 1½ mm ø; ♂ flowers in clusters of 3-7, stamens 10-12, filaments 2½-3½ mm, anthers 0.35 mm long, pistillode subglobose, c. 1 mm ø. Androgynous rachis 5-10 cm, 2-3 mm ø; female flowers in clusters of 2-3 or solitary, staminodes well-developed and exceeding the perianth, styles 3, conical, c. 1 mm, recurved. Cupule sessile, solitary or more commonly in clusters of 2-3, cup-shaped, 1-1½ cm long, 2½-3 cm ø; rim thick, sometimes incurved, covering ± ⅓ part of the fruit; wall woody, dark chocolate-brown, lamellae obscure, undulate, densely stellate hairy. Fruit ovoid to subhemispherical, 1-1½ cm long, 2-2½ cm ø, densely fulvous to greyish tomentose, top acute to rounded-umbonate, base truncate, scar flat, c. 2 cm ø; wall woody, 2-3 mm thick, for the greater part free from the cupule.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
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Mature height (meter) 18.0 - 36.0
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Environment

Forests, at 1100-1800 m, on brownish sandstone derived soil. Fl July-Jan., fr. Dec-June.
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Hardiness (USDA) 10-12

Usage

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Edible -
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Cultivation

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Distribution

Lithocarpus luteus world distribution map, present in Afghanistan, Indonesia, and Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:358857-1
WFO ID wfo-0000230066
COL ID 3VJYT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Lithocarpus luteus