Castanopsis platyacantha Rehder & E.H.Wilson

Species

Angiosperms > Fagales > Fagaceae > Castanopsis

Characteristics

Trees circa 20 m tall. Branches glabrous. Petiole 0.8-1.5 cm; leaf blade ovate, oblong, or obovate elliptic, 10-18 × 3-6 cm, covered with early glabrescent, reddish brown, small, lamellate, waxy scalelike trichomes when young, yellowish gray to silver-gray with age, base rounded to broadly cuneate and oblique, margin serrate or entire, apex acute to acuminate; midvein flat or adaxially slightly impressed; secondary veins 9-13 on each side of midvein. Female flowers 1-3 per cupule. Infructescences 8-15 cm. Cupule subglobose to broadly ellipsoid, 3-4 cm in diam., irregularly splitting into 2-4 segments, outside grayish brown pubescent; bracts spinelike, circa 3 mm, basally connate into bundles, sometimes united to cristate rings, grayish brown pubescent. Nuts 1-3 per cupule, broadly conical, 1.5-2 × 1.4-2 cm, wall 1.5-2 mm thick, densely brown pubescent; scar covering circa 1/3 of nut. Fl. May-Jun, fr. Sep-Nov of following year
More
An evergreen tree. It grows 16 m tall. The trunk can be 1.2 m across. The leaves are narrowly oval and 8-16 cm long by 3-6 cm wide. There can be some teeth above the middle. Male and female flowers are separate. Male ones are in spikes that occur singly and are 4-16 cm long. Female flowers also occur singly and are 7-11 cm long. Between 2-4 fruit develop. The nuts are rounded and flattened.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 18.0
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 c3

Environment

It is a temperate plant. It grows in western China.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

The nuts are eaten raw.
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

Castanopsis platyacantha world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:358431-1
WFO ID wfo-0000814833
COL ID RP3Z
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Castanopsis platyacantha