Ostrya japonica Sarg.

Japanese hop-hornbeam (en)

Species

Angiosperms > Fagales > Betulaceae > Ostrya

Characteristics

Trees to 20 m tall; bark dark gray. Branchlets gray-brown, densely pubescent when young, glabrescent. Petiole 1-1.5 cm, densely pubescent; leaf blade ovate or ovate-lanceolate, 3.5-12 × 1.5-5.5 cm, abaxially densely pubescent, glabrescent, bearded in axils of lateral veins, adaxially pilose especially along midvein, base subrounded, cordate, obliquely cordate, or broadly cuneate, margin irregularly and doubly serrate, apex acuminate; lateral veins 10-15 on each side of midvein, 5-10 mm apart. Female inflorescence racemose, 1.5-2.5 cm; peduncle 2-2.5 cm, densely pubescent; bracts overlapping, saccate, obovate-oblong or elliptic, 1-2 cm × 6-12 mm, membranous, glabrescent, base without a stipe, setose, apex apiculate; veins reticulate. Nutlet light brown, narrowly ovoid, 6-7 mm, shiny, glabrous, ribbed. Fl. May-Jul, fr. Jul-Sep.
Life form -
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) 2.0
Mature height (meter) 16.5 - 19.0
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

Deep, rich, moist soils in temperate forests; at elevations from 1,000-2,800 metres.
Light 4-8
Soil humidity 3-7
Soil texture 1-2
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Uses material medicinal wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings. Seeds needs stratification.
Mode seedlings
Germination duration (days) 365
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

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

Conservation status

Ostrya japonica threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:295667-1
WFO ID wfo-0000261457
COL ID 6TD9F
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ostrya japonica Ostrya liana Ostrya japonica var. homochaeta Ostrya virginica var. japonica