Cornus kousa Bürger ex Hance

Kousa dogwood (en), Cornouiller du Japon au sens large (fr)

Species

Angiosperms > Cornales > Cornaceae > Cornus

Characteristics

A shrub or small tree. It grows 3-6 m tall and spreads 2.7-4.5 m wide. The branches spread out in tiers. The leaves are deep green. They are 5-10 cm long and oval. They have 4-6 pairs of veins. The upper surface is dark green and underneath there are hairs in tufts in the vein axils. The leaves colour in the autumn. The flowers are small and occur in clusters in 5 cm long stalks. They have large white bracts around them. Each bract tapers to a point. The bracts are 5 cm long. These last for 6 weeks. The fruit are strawberry-like. They are dull red. They are edible.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 4.0 - 7.0
Mature height (meter) 4.55 - 8.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.4
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 is native to Japan. It is frost hardy. It grows from 400 to 2200 m in China. It will grow in most soils. It is damaged by drought. It grows on low hills near the coast. It suits hardiness zones 5-8. In Arboretum Tasmania.
More
Valleys, shaded slopes, by streams and roadsides, in mixed, sparse, and dense woods; at elevations from 400-2,200 metres.
Light 4-9
Soil humidity 3-6
Soil texture 2-5
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The fruit are eaten raw. They are also cooked and used for preserves and desserts. Young leaves are also cooked and eaten.
Uses medicinal wood
Edible flowers fruits leaves seeds
Therapeutic use Arthritis (unspecified), Astringents (unspecified), Back pain (unspecified), Diabetes mellitus (unspecified), Hepatitis (unspecified), Malaria (unspecified), Metrorrhagia (unspecified), Neoplasms (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

It can be grown from clean seed. It can also be grown from cuttings.
Mode cuttings graftings seedlings
Germination duration (days) 90 - 730
Germination temperacture (C°) 7 - 9
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Cornus kousa leaf picture by Danny Nguyen (cc-by-sa)
Cornus kousa leaf picture by jessica stewart (cc-by-sa)
Cornus kousa leaf picture by Matthias Foellmer (cc-by-sa)

Flower

Cornus kousa flower picture by YANIRA (cc-by-sa)
Cornus kousa flower picture by Danny Nguyen (cc-by-sa)
Cornus kousa flower picture by Peggy Marble (cc-by-sa)

Fruit

Cornus kousa fruit picture by j lay (cc-by-sa)
Cornus kousa fruit picture by Lang Cheng (cc-by-sa)
Cornus kousa fruit picture by Larraine Lage (cc-by-sa)

Distribution

Cornus kousa world distribution map, present in Chile, China, Japan, Malaysia, Nicaragua, Korea (Democratic People's Republic of), Taiwan, Province of China, and United States of America

Conservation status

Cornus kousa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:30115668-2
WFO ID wfo-0000924739
COL ID YGKP
BDTFX ID 120979
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Benthamia japonica Benthamia kousa Benthamidia japonica Cynoxylon japonicum Cynoxylon kousa Dendrobenthamia japonica Cornus kousa

Lower taxons

Cornus kousa subsp. chinensis Cornus kousa subsp. kousa