WorldFloraDB - Lithocarpus xylocarpus

Characteristics

Trees to 30 m tall. Young branchlets sulcate, tawny tomentose. Petiole ca. 1 cm; leaf blade narrowly oblong to sometimes lanceolate, 9-15 × 2-5 cm, leathery, abaxially pilose when young and glaucous with age, adaxially lustrous, base cuneate, margin entire, apex acute; midvein ± flat to slightly raised on both surfaces and usually pubescent; secondary veins 12-15 on each side of midvein; tertiary veins abaxially very slender, evident or not visible. Male inflorescences often partly androgynous, solitary, 5-10 cm; rachis tomentose. Female inflorescence rachis 5-8 cm, ca. 3 mm thick; cupules in clusters of ca. 3. Cupule subglobose but apically slightly narrowed, 3-4.5 cm in diam., completely enclosing nut, wall 3-5 mm thick; bracts linear, 2-3 mm, curved inward, densely and completely covered by minute hairs. Nut subglobose to broadly ellipsoid, 2-3 cm in diam.; scar covering 4/5-5/6 of nut, convex. Fl. May-Jun, fr. Sep-Oct of following year.

More

A tree. It grows 30 m tall. Young branches are grooved and with a coating. The leaves are narrowly oblong and 9-15 cm long by 2-5 cm wide. They are leathery. They are hairy underneath when young. They are shiny above and wedge shaped at the base. Male and female flowers are separate. Male flowers occur singly and are 5-10 cm long. The female flowers are in clusters. The fruiting structure is cup shaped and 3-5 cm across. It encloses the nut. The nut is broadly oval and 2-3 cm across.

Life form

-

Growth form

tree

Growth support

free-standing

Foliage retention

evergreen

Sexuality

monoecy

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

30.0

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Nitrogen fixer

-

Photosynthetic pathway

-

Environment

It is a tropical plant. It grows in dry forests between 1,800-2,300 m above sea level in Tibet and southern China. In Yunnan.

Light	-
Soil humidity	-
Soil texture	-
Soil acidity	-
Soil nutriment	-
Hardiness (USDA)

Usage

The kernel of the nuts is eaten raw or roasted.

Uses	-
Edible	nuts
Therapeutic use	-
Human toxicity	-
Animal toxicity	-

Cultivation

Mode	-
Germination duration (days)	-
Germination temperacture (C°)	-
Germination luminosity	-
Germination treatment	-
Minimum temperature (C°)	-
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-

Distribution

Identifiers

LSID	urn:lsid:ipni.org:names:359059-1
WFO ID	wfo-0000230330
COL ID	3VK7L
BDTFX ID	-
INPN ID	-
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lithocarpus xylocarpus Pasania capusii Synaedrys xylocarpa Pasania xylocarpa Pasania xylocarpa Quercus xylocarpa

WorldFloraDB 2024

Lithocarpus xylocarpus Markgr.

Species