Lithocarpus trachycarpus (Hickel & A.Camus) A.Camus

Species

Angiosperms > Fagales > Fagaceae > Lithocarpus

Characteristics

Trees to 20 m tall. Branchlets sulcate, sparsely covered with early glabrescent long hairs. Leaf blade lanceolate to elliptic, 8-15 × 2-6 cm, rigidly papery, base cuneate, margin entire, apex acuminate to acute; midvein abaxially covered with early glabrescent long hairs; secondary veins 12-16 on each side of midvein, abruptly curving near margin but not fusing; tertiary veins abaxially slender, evident to conspicuous, subparallel. Male inflorescences paniculate, 5-9 cm. Female inflorescences to 20 cm; rachis puberulent; cupules in clusters of ca. 3. Cupule globose to depressed, 1.5-2 cm, completely enclosing nut, outside with oily scalelike glands, reddish brown when dry, wall ca. 0.5 mm thick; bracts subulate, 1-1.5 mm. Nut ± depressed globose, 1-1.3 × 1.6-1.8 cm, glabrous, wall ca. 1 mm thick; scar at basal part of nut, ca. 1 cm in diam., slightly concave. Fl. Nov-Mar, fr. Nov-Mar of following year.
More
A tree. It grows 20 m tall. The small branches have hairs. The leaves are narrowly sword shaped and 8-15 cm long by 2-6 cm wide. The base is wedge shaped. The male flowering shoots are 5-9 cm long. The female ones are 20 cm long. The cupules are in groups of 3. They enclose the nut. The outside has oily scale like glands. The nut is a flattened round shape and 1-1.3 cm long by 1.6-1.8 cm wide.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant.
Light -
Soil humidity -
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

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

Lithocarpus trachycarpus world distribution map, present in China, Lao People's Democratic Republic, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:359031-1
WFO ID wfo-0000230295
COL ID 3VK6R
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pasania trachycarpa Lithocarpus trachycarpus Pasania yui Lithocarpus trachycarpus var. jahkuangensis Lithocarpus trachycarpus var. jangkangensis