Acer pseudosieboldianum (Pax) Kom.

Keijo maple (en)

Species

Angiosperms > Sapindales > Sapindaceae > Acer

Characteristics

Shrubs or small trees, to 8 m tall, andromonoecious. Branchlets slender; winter buds large, scales 6, ovate, outside densely pilose. Leaves deciduous; petiole 3.5-4 cm, slender, densely pubescent when young; leaf blade abaxially light green, adaxially dark green, suborbicular, 6-8(-10) cm in diam., papery, abaxially densely white pubescent, base deeply cordate to cordate, usually 9-, 11-, or 13-lobed, sinuses 1/2-2/3 width of leaf; lobes triangular-ovate or ovate-lanceolate, margin doubly serrate, teeth incised, apex acuminate. Inflorescence terminal, corymbose, 3-4 cm wide, pubescent; peduncles 2-3 cm. Pedicel 8-10 mm. Sepals 5, lanceolate, pubescent along margin. Petals 5, white or yellowish white, obovate, ca. 4 × 3 mm. Stamens 8, ca. 4 mm. Disk glabrous. Ovary slightly pilose, nearly glabrous; stigmas ca. 1 mm. Fruit purplish yellow; nutlets convex, 5-7 × 4-5 mm, glabrous, strongly veined; wing narrowly obovate, contracted at base, including nutlet 1.5-2.5 cm × 5-6 mm, wings spreading obtusely or nearly horizontally. Fl. May-Jun, fr. Sep. 2n = 26.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality andromonoecy
Pollination -
Spread -
Mature width (meter) 4.0 - 8.0
Mature height (meter) 4.0 - 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 4-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 4-8

Usage

Uses -
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°) 18 - 21
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Acer pseudosieboldianum unspecified picture

Distribution

Acer pseudosieboldianum world distribution map, present in China and Korea (Democratic People's Republic of)

Conservation status

Acer pseudosieboldianum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:781463-1
WFO ID wfo-0000514918
COL ID 94HG
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Acer ishidoyanum Acer nudicarpum Acer pseudosieboldianum Acer takesimense Acer microsieboldianum Acer pseudosieboldianum var. ambiguum Acer pseudosieboldianum var. koreanum Acer pseudosieboldianum var. lanuginosum Acer pseudosieboldianum var. microsieboldianum Acer circumlobatum var. pseudosieboldianum Acer sieboldianum var. mandshuricum Acer pseudosieboldianum f. macrocarpum Acer circumlobatum f. pseudosieboldianum Acer pseudosieboldianum var. pseudosieboldianum

Lower taxons

Acer pseudosieboldianum subsp. takesimense