Lithocarpus hatusimae Soepadmo

Species

Angiosperms > Fagales > Fagaceae > Lithocarpus

Characteristics

Tree 13-18 m, 30 cm ø; bark smooth. Branchlets initially densely yellowish brown tomentose by adpressed stellate hairs, later subglabrous, dark greyish brown, sparsely lenticellate; terminal buds ovoid, 2-3 by 2 mm, scales ovate-acute. Stipules thick-coriaceous, ovate, 2-3 by 1-2 mm. Leaves thick-coriaceous, rigid, (8-)11-14(-16) by (3-)4-6(-7) cm (index 2-3), broadest at or slightly below the middle; above glabrous, glossy, pale chocolate-brown, underneath with a thin cover of pale yellowish brown, adpressed, stellate hairs; base acute, rarely rounded, margin recurved, top acute to sharply 1-2 cm caudate; midrib strongly prominent on both sides; nerves prominent beneath, impressed above, (9-)11-12(-13) pairs, parallel, at an angle of 60-70°, arcuating but not anastomosing towards the margin; reticulation lax, subscalariform, distinct beneath; petiole glabrous, 1-1½ cm, 1-3 mm ø, furrowed. Inflorescence male, female, androgynous or mixed, densely yellowish brown stellate hairy; bract and bracteoles ovate, 1-1½ by ⅔ mm. Male rachis c. 10 cm, 1-1½ mm ø; ♂ flowers solitary or in clusters of 3, perianth 5-6-lobed, stamens 10-12, filaments 3-4 mm, anthers 0.30-0.35 mm long, pistillode subglobose, 1-1½ mm ø, densely yellowish brown pubescent. Female, androgynous or mixed rachis 5-10 cm long, 1-2 mm ø; female flowers solitary or in clusters of 3, perianth 6-lobed, staminodes 12, rudimentary, styles 3, conical, 1½-2 mm, connate. Ripe cupule subsessile, cup-shaped, c. ½ cm long, 1.2-1.7 cm ø; rim thin, covering c. ¼ part of the fruit; wall woody, thin, inside densely pale greyish brown tomentose by adpressed simple hairs, outside densely greyish brown stellate hairy; lamellae 5-8, concentric, minutely denticulate. Ripe fruit ovoid-conical, 1-1½ cm through, top abruptly acute, base cordate, scar concave, c. 1 cm ø; wall bony, thinner than 1 mm, outside glabrous, glossy, chocolate-brown, for the greater part free from the cupule.
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Growth form tree
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Foliage retention evergreen
Sexuality monoecy
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Mature width (meter) -
Mature height (meter) 13.0 - 18.0
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Environment

Primary forest, at 1200-2000 m, on ultra-basic soil. Fl. June-March, fr. March-July.
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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 hatusimae world distribution map, present in Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:358785-1
WFO ID wfo-0000229963
COL ID 3VJW4
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Lithocarpus hatusimae