Acer oliverianum Pax

Oliver's maple (en)

Species

Angiosperms > Sapindales > Sapindaceae > Acer

Characteristics

Trees to 7 m tall, andromonoecious. Branchlets smooth, green and glabrous, greenish brown or olive-brown in second year and ± with grayish white waxy bloom; winter buds ovoid. Leaves deciduous; petiole 2.5-6 cm, glabrous; leaf blade adaxially dark yellowish green, 5-8 × 5-9 cm, base truncate or subcordate with a broad sinus, abaxially lustrous, reticulate and glabrous with exception of axillary tufts of pale hairs, 5-lobed, rarely 3-or 4-lobed in young shoots; lobes triangular-ovate, margin sharply serrulate, apex acuminate. Inflorescence corymbose, terminal on a 2-leaved branchlet. Sepals 5, purplish, elliptic-ovate, ca. 2 mm, margin denticulate. Petals 5, white, ovate or broadly ovate-obtuse. Stamens 8, longer than petals, inserted inside disk. Ovary sparsely villous, with long hairs, minute, villous, and rudimentary in staminate flowers; styles 2, ca. 2 mm. Samaras glabrous; nutlets brown, convex, ca. 6 × 5 mm, distinctly veined; wings spreading nearly horizontally, wing including nutlet 2.5-3.5 × ca. 1 cm. Fl. May, fr. Sep.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality andromonoecy
Pollination -
Spread -
Mature width (meter) 2.5 - 4.0
Mature height (meter) 6.0 - 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) 6-8

Usage

Uses medicinal
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°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Acer oliverianum unspecified picture

Distribution

Acer oliverianum world distribution map, present in China

Conservation status

Acer oliverianum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:781423-1
WFO ID wfo-0000514729
COL ID 94FQ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acer oliverianum Acer oliverianum subsp. oliverianum Acer campbellii subsp. oliverianum

Lower taxons

Acer oliverianum subsp. formosanum