Lithocarpus pusillus Soepadmo

Species

Angiosperms > Fagales > Fagaceae > Lithocarpus

Characteristics

Tree 7-25 m, 10-80 cm ø; stilt-roots occasionally present, up to 1.2 m tall; bark finely scaly, greyish brown. Branchlets initially densely greyish brown adpressed stellate hairy, later subglabrous, greyish brown to greyish black, sparsely lenticellate or finely fissured; terminal buds ovoid, c. 1 by 1 mm, scales ovate. (Stipules not seen.) Leaves thin-coriaceous, rigid, (4-)6-10(-12½) by (1.7-)2½-4(-5) cm (index (1.6-)2-3(-3.6)), broadest about the middle; above glabrous, dull to glossy, pale greyish green to chocolate-brown, underneath (except midrib and nerves) densely greyish brown tomentose by adpressed, minute, stellate hairs; base rounded-acute, top bluntly 1-3 cm acuminate-caudate; midrib thin, prominent on both sides; nerves (6-)8-10(-11) pairs, thin, obscure to distinct beneath, subparallel, at an angle of 50-60°, arcuating and faintly anastomosing near the margin; reticulation fine, irregular or areolate, obscure; petiole 5-10 mm, 1-1½ mm ø, glabrous, adaxially flat or furrowed. Inflorescence male, androgynous or mixed, densely greyish brown stellate hairy, subglabrescent; bracts and bracte-oles ovate, ⅓-⅔ by ½-1 mm. Male rachis 7-20 cm, 1-1½ mm ø, mostly simple and axillary; ♂ flowers solitary, perianth 5-6-lobed, stamens 10-12, filaments 2½-3½ mm, anthers 0.25-0.3 mm long, pistillode globose, c. 1 mm ø. Androgynous or mixed rachis 8-15 cm, 1½ mm ø; female flowers solitary, staminodes rudimentary, styles 3, conical, 1-2 mm, recurved. Ripe cupule sessile to 2-3 mm stalked, c. 3 mm long, 8-12 mm ø; rim thin, covering the basal part of the fruit; wall woody, thin, inside densely set with adpressed simple hairs, outside densely greyish stellate hairy, hairs minute, adpressed; lamellae 4-5, thin, concentric, entire or denticulate. Ripe fruit ovoid-conical, 8-13 mm through, glabrous, light chocolate-brown, top rounded-acute, base rotundate, scar concave, 3-7 mm ø; wall bony,½-1 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) 7.0 - 25.0
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Environment

In forests, from sea-level up to 1800 m; rather common in heath forest. Fl. Aug.-May, fr. Febr.-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 pusillus world distribution map, present in Indonesia and Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:358956-1
WFO ID wfo-0000230190
COL ID 3VK49
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lithocarpus pusillus