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Pterocarya rhoifolia Siebold & Zucc.

Species

Angiosperms > Fagales > Juglandaceae > Pterocarya

Characteristics

A deciduous tree. It grows to 30 m tall. It spreads 18 m wide. The bark is dark grey and develops cracks along it with age. The leaves have an odd number of leaflets. They are 20-25 cm long. The leaf stalk is 3-7 cm long. It is hairy. There are 11-21 leaflets. The leaflet blade is 6-12 cm long by 1.5-4 cm wide. They are dark green and glossy above and turn yellow in autumn. The male and female flowers are separate on the same plant. They are both in green catkins which hang down. The male catkins are 7.5 cm long and at the base of the young shoots. The female catkins are at the tip. The fruiting spike is 20-30 cm long. The axis is hairy. The nutlets are 8-9 mm long
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Trees to 30 m tall. Leaves odd-pinnate, 20-25(-40) cm; petiole 3-7 cm, pubescent; rachis wingless, pubescent; leaflets (7-)11-21; lateral leaflets with petiolule ca. 1.5 mm, blade ovate-oblong to broadly oblanceolate, 6-12 × 1.5-4 cm, abaxially woolly pubescent along midvein and secondary veins, base oblique, rounded or broadly cuneate, apex acuminate; terminal petiolule 1.5-2 cm. Fruiting spike 20-30(-49) cm, axis pubescent. Nutlets 8-9 mm, base rounded, apex obtusely conical, glabrous; wings semiorbicular, ca. 1.3-2.1 × 0.9-1.8 cm. Fl. May, fr. Jun-Jul.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 18.0
Mature height (meter) 30.0
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

Valleys and mountains all over Japan. Wet areas along riverbanks and mountain streams in eastern Shandong, China.
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It is native to Japan. They grow in wet areas along riverbanks. It suits hardiness zones 6-9.
Light 7-9
Soil humidity 5-7
Soil texture 2-4
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Uses wood
Edible nuts seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings. Seeds needs soaking.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Pterocarya rhoifolia unspecified picture

Distribution

Pterocarya rhoifolia world distribution map, present in China, Japan, and Korea (Democratic People's Republic of)

Conservation status

Pterocarya rhoifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:442483-1
WFO ID wfo-0001067519
COL ID 4PVLP
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Pterocarya rhoifolia Pterocarya sorbifolia Pterocarya diechocarpa
WorldFloraDB 2024