Lithocarpus megacarpus Soepadmo

Species

Angiosperms > Fagales > Fagaceae > Lithocarpus

Characteristics

Tree 9-30 m, 10-50 cm ø. Branchlets glabrous, sturdy, dark greyish brown, with sparse or dense lenticels; terminal buds ovoid, 2-3 by 2 mm, scales narrowly ovate-acute, rufous tomentose. Stipules narrowly ovate, 1-1½ cm by ½-1 mm. Leaves thick-coriaceous, rigid, (9-)11-14(-16) by (3½-) 5-6(-8) cm (index (2-)2.2-2.6(-3.2)), broadest at or rarely below the middle; surfaces concolorous, greyish brown, above glabrous, dull to glossy, underneath with a thin cover of minute, adpressed stellate hairs, soon glabrescent; base rounded-acute to attenuate-acute, margin recurved, top acute to ½-1 cm acuminate; midrib and nerves prominent beneath, flat above; nerves (7-)8-10(-11) pairs, subparallel, at an angle of 45-50°, arcuating but not anastomosing towards the margin; reticulation coarse, lax, subscalariform, distinct beneath; petiole glabrous, 6-10 mm, 2-2½ mm ø, shallowly furrowed. Inflorescence male or androgynous, sparsely greyish brown stellate-tomentose; bracts and bracteoles ovate-acute, 0.7-1 by 0.7 mm. Male rachis c. 10 cm, 2 mm ø; ♂ flowers in clusters of 3, filaments 3-4 mm, anthers 0.30 mm long, pistillode globose, 1-1½ mm ø. Androgynous rachis c. 5 cm, 2 mm ø; female flowers solitary or in clusters of 2-3, staminodes rudimentary, styles 3, conical, c. 1 mm. Ripe cupule subsessile, broadly saucer-shaped, 1-1½ cm long, 4-5½ cm ø; rim thick, rounded, covering the basal part of the fruit; wall woody, densely greyish brown tomentose by adpressed stellate hairs; scales thick, adpressed, imbricate but concentrically set. Ripe fruit de-pressed-subglobose, rarely ovoid, glabrous, chocolate-brown, 2-3½ cm long, 4-5 cm ø, top rounded-apiculate to depressed-umbonate, base truncate, scar concave but convex at the centre, 2-4 cm ø; wall woody, 5-8 mm thick, for the greater part free from the cupule; cotyledons flat-convex.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
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Mature height (meter) 15.5 - 26.0
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Photosynthetic pathway c3

Environment

Forests, 1200-1900 m, common on steep slopes. Fl Jan.-June, fr. July-Nov.
More
Forests, usually on steep slopes; at elevations from 1,200-1,900 metres.
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Usage

Uses charcoal environmental use fuel material social use timber wood
Edible seeds
Therapeutic use -
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Cultivation

Can be grown by seedlings.
Mode seedlings
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Distribution

Lithocarpus megacarpus world distribution map, present in Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:358868-1
WFO ID wfo-0000230079
COL ID 3VJZ7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lithocarpus megacarpus