Acer japonicum Thunb.

Fullmoon maple (en), Érable du japon (fr), Érable du Japon (fr)

Species

Angiosperms > Sapindales > Sapindaceae > Acer

Characteristics

Trees small, 8-10 m tall, andromonoecious. Bark grayish white or grayish brown. Branchlets green or purplish green, glabrous; winter buds ellipsoid, scales 5 pairs, nearly rounded, glabrous. Leaves deciduous; petiole 3-5 cm, pubescent when young; leaf blade abaxially pale green, adaxially dark green or yellowish green, suborbicular, 9-12 cm in diam., papery or membranous, base deeply cordate, 9-or 11-lobed; lobes ovate, margin incised-serrate, teeth ± acute or sharp, incised to less than 1/2 width of leaf, apex acuminate. Inflorescence terminal, corymbose, 10-15-flowered, 3-5 cm; peduncles 3-5 cm. Pedicel 1-2 cm, pubescent. Sepals 5, ovate or obovate, ca. 6 × 4 mm, apex obtuse. Petals 5, purple, elliptic, ca. 5 mm, emarginate, apex obtuse. Stamens 8, ca. 7 mm, glabrous. Disk glabrous, slightly lobed, extrastaminal. Ovary densely villous; style glabrous; stigmas short. Fruit yellowish green; nutlets convex, densely villous, veined; wing incurved, leaflike, including nutlet 2-2.8 × ca. 1 cm, wings spreading at 90°-160°. Fl. May, fr. Sep. 2n = 26.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality
Pollination -
Spread -
Mature width (meter) 2.5 - 4.0
Mature height (meter) 5.25 - 8.0
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

Light 5-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses environmental use material
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings, graftings or seedlings. Seeds needs soaking.
Mode cuttings graftings seedlings
Germination duration (days) 30 - 365
Germination temperacture (C°) 11 - 12
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Acer japonicum unspecified picture

Distribution

Acer japonicum world distribution map, present in Canada, China, and United States of America

Conservation status

Acer japonicum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:927503-1
WFO ID wfo-0000514395
COL ID 94BL
BDTFX ID 131
INPN ID 79755
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Acer japonicum f. parsonsii Acer kobakoense Acer circumlobatum Acer japonicum Acer monocarpon Acer heyhachii Acer japonicum f. aconitifolium Acer circumlobatum var. heyhachii Acer circumlobatum var. insulare Acer japonicum var. aconitifolium Acer japonicum var. circumlobatum Acer japonicum var. insulare Acer japonicum var. kobakoense Acer japonicum var. stenolobum Acer japonicum var. villosum Acer japonicum var. microphyllum Acer japonicum var. nudicarpum Acer pseudosieboldianum var. nudicarpum Acer japonicum f. macrophyllum Acer circumlobatum f. insulare