Castanopsis fissa Rehder & E.H.Wilson

Species

Angiosperms > Fagales > Fagaceae > Castanopsis

Characteristics

Trees; bud scales, shoot apexes, and young leaf blades abaxially yellowish brown puberulent and covered with rust-colored, small, lamellate, slightly adnate, waxy scalelike trichomes. Branchlets red-purple, prominently angular. Leaves spirally arranged, yellowish brown to gray; petiole 1-2.5 cm; leaf blade oblong to obovate-elliptic, very variable in sizes, often 15-25 × 5-9 cm, thickly papery, base cuneate, margin from base to middle undulate and crenate, apex acute, acuminate, or rounded; midvein raised adaxially; secondary veins 20-28 on each side of midvein or rarely fewer. Infructescence 8-18 cm; rachis glabrous. Cupule 1-1.5 cm in diameter, irregularly 2-or 3(or 4)-valved with valves often curled, covered with dark reddish brown mealy waxy scalelike trichomes, apex slightly cuspidate, wall 0.5-1 mm thick; bracts scalelike, triangular to squarish, imbricate when young but mostly united and in ring ribs with age. Nut globose to elliptic, 1.3-1.8 × 1.1-1.6 cm, apically brown-red tomentose; scar basal, 4-7 mm in diam. Fl. Apr-Jun, fr. Oct-Dec.
More
A medium sized tree. It grows up to 20 m in height. The trunk is 30-50 cm across. The young shoots and leaves are covered with brownish yellow hairs and rusty coloured scales. The young branches are red-purple. They are often angular. The leaves are arranged in spirals. They are yellowish brown. The leaf stalk is 1-2.5 cm long and the leaf blade is oval to oblong. Leaves vary in size. They are often 15-25 cm long by 5-9 cm wide. They are thickly papery. The base is wedge shaped and towards the tip the edge is irregular and wavy. The cup is 1-1.5 cm across. It has 2-4 valves which are curled and covered with dark brown scale like structures. The nut is round to oval. It is 1.3-1.8 cm long by 1.1-1.6 cm wide. The tip is brown-red and hairy.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) 0.3 - 0.5
Mature height (meter) 15.0 - 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.2
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 tropical evergreen forests. It occurs on slopes between 1000 m altitude. It needs shade when young. In China it grows below 1600 m altitude.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The seeds can be eaten. Starch is extracted from the nuts.
Uses material
Edible nuts seeds
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 -

Images

Castanopsis fissa unspecified picture

Distribution

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

Conservation status

Castanopsis fissa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:358361-1
WFO ID wfo-0000813768
COL ID RNYZ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lithocarpus fissus Pasania fissa Castanea regia Castanopsis fissa Castanopsis tunkinensis Shiia fissa Synaedrys fissa Synaedrys tunkinensis Castanopsis fissoides Lithocarpus fissus var. bipoupensis Lithocarpus fissus subsp. tunkinensis Pasania fissa var. tunkinensis Quercus tunkinensis Quercus fissa