Lithocarpus luzoniensis Rehder

Species

Angiosperms > Fagales > Fagaceae > Lithocarpus

Characteristics

Tree 5-12 m, 20-30 cm ø. Branchlets initially angular, densely stellate hairy, later terete, glabrous, greyish black, densely lenticellate; terminal buds ovoid-ellipsoid, 3-5 by 2-3 mm, scales narrowly ovate to linear. Stipules linear-acute, 6-8 by 1 mm. Leaves thin-coriaceous, (3½-)5-6(-8) by (1½-)2½-3(-3½) cm (index 2-2.7), broadest at or below the middle; surfaces concolorous, greenish, above glabrous, dull to glossy, beneath with a thin cover of adpressed, minute, stellate hairs; base acute to rarely rounded-acute, margin recurved, top bluntly acute to 1-2 cm acuminate; midrib prominent beneath, slightly so above; nerves (6-)7-8(-10) pairs, thin, flat beneath, impressed above, parallel, at an angle of 40-50°, arcuating but not anastomosing towards the margin; reticulation fine, subscaliform to irregular, obscure; petiole 4-6 mm, 1 mm ø, adaxially flat. Inflorescence male or androgynous, simple and axillary or much-branched and subterminal, densely fulvous stellate hairy; bracts and bracteoles linear, 2-3 by ½-1 mm. Male rachis 3-5 cm, 1-1½ mm ø; ♂ flowers solitary or in clusters of 3, filaments 2-2½ mm, anthers 0.25-0.3 mm long, pistillode subglobose, 1 mm ø. Androgynous rachis 3-5 cm, 1-1½ mm ø; female flowers solitary, staminodes rather well-developed but not exceeding the perianth, styles 3, conical, 1 mm. Cupule (not fully developed) sessile, cup-shaped, ½-1 cm long, 1⅓-1½ cm ø; rim thin, covering c. ⅓ part of the fruit; wall woody, thin, inside densely silky tomentose by adpressed simple hairs, outside densely fulvous stellate hairy; scales distinct, narrowly ovate, 1 mm long, imbricate but concentrically set. Ripe fruit ovoid, 1½ cm long, 1 cm ø, glabrous, chocolate-brown, top acute, base rotun-date, scar flat to concave, 7 mm ø; wall woody 1 mm thick, for the greater part free from the cupule.
Life form -
Growth form tree
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Foliage retention evergreen
Sexuality monoecy
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Mature width (meter) -
Mature height (meter) 5.0 - 12.0
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Environment

Forests, at 1500-2700 m. Fl Jan.-June, fr. July-March.
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Hardiness (USDA) 8-12

Usage

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Edible -
Therapeutic use -
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Cultivation

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Distribution

Lithocarpus luzoniensis world distribution map, present in Afghanistan and Philippines

Conservation status

Lithocarpus luzoniensis threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:358858-1
WFO ID wfo-0000230067
COL ID 6QKXW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lithocarpus luzoniensis Quercus luzoniensis Synaedrys luzoniensis Quercus lyrata f. viridis