Castanopsis delavayi Franch.

Species

Angiosperms > Fagales > Fagaceae > Castanopsis

Characteristics

Trees ca. 20 m tall. Branches glabrous. Petiole 0.7-1.5 cm; leaf blade obovate, obovate-elliptic, ovate, or elliptic, 5-13 × 3-7 cm, subleathery, abaxially sparsely covered with yellowish brown membranous trichomes when young, grayish to silver-gray with age, base acute to rounded, margin serrate or rarely undulate, apex acute to rounded; midvein adaxially raised; secondary veins 6-9 on each side of midvein, slightly raised. Female inflorescence rachis glabrous. Infructescences 10-15 cm; rachis 2-3 mm thick. Cupule ellipsoid when young but broadly ovoid to subglobose with age, 1.5-2 cm in diam. or slightly larger, splitting into 2 or 3 segments, outside with yellowish brown, waxy scalelike trichomes and adnate pubescence, basally long stalked, wall 0.5-1 mm thick; bracts spinelike, 3-6 mm, free or connate at base and transversely united to 3-5 circular or spiral rings, covered with yellowish brown waxy scalelike trichomes and adnate pubescence. Nut broadly ovoid, 1.3-1.4 cm in diam.; scar basal, 6-8 mm in diam. Fl. Apr-May, fr. Sep-Nov of following year.
More
A tree. It grows about 20 m tall. The branches are smooth. The leaf stalk is about 07.-1.5 cm long. The leaf blade is oval or oblong and 5-13 cm long by 3-7 cm wide. The base is rounded. The edges have teeth and can be wavy. There are 6-9 side veins on each side of the main vein. The female flowering stalk is 10-15 cm long. The cup is oval to round. It is 1.5-2 cm across. It splits into 2 or 3 segments. There are yellowish-brown waxy scale like processes on the outside. The nut is oval. It is 1.3-1.4 cm across.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 0.02 - 0.02
Mature height (meter) 15.0
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

A tropical plant. It grows in mixed and broad leafed evergreen forest between 1500-2800 m altitude in southern China.
More
Mixed and broad-leaved evergreen forests; at elevations from 1,500-2,800 metres.
Light 4-6
Soil humidity 4-6
Soil texture 1-4
Soil acidity 3-6
Soil nutriment -
Hardiness (USDA) 8-9

Usage

The seeds are eaten raw.
Uses timber wood
Edible nuts seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings. Seeds needs soaking.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Castanopsis delavayi unspecified picture

Distribution

Castanopsis delavayi world distribution map, present in China

Conservation status

Castanopsis delavayi threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:295385-1
WFO ID wfo-0000813529
COL ID 5XD9K
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Castanopsis delavayi Castanopsis tsaii