Acer amplum Rehder

Species

Angiosperms > Sapindales > Sapindaceae > Acer

Characteristics

Trees to 25 m tall, andromonoecious. Bark brownish, dark brown, or dark gray, smooth. Branchlets slender, glabrous; those of present year green or purplish green, those more than 2 years old gray or dark gray, lenticels rounded; winter buds purplish brown, subglobose or ovoid, glabrescent, scales 5 or 6 pairs. Leaves deciduous; petiole 4-14 cm, slender, glabrous or slightly puberulent near apex when young; leaf blade 7-26 × 5-25 cm, papery, abaxially light green, adaxially dark green or yellowish green, base rounded, subcordate, or truncate, 3-or 5-lobed or unlobed and entire, apex obtuse to caudate. Inflorescence terminal, corymbose, sessile or with peduncles ca. 5 mm, or up to 3 cm, numerous flowered, glabrous. Pedicel 1-2 mm, glabrous. Sepals 5, oblong-ovate and emarginate near apex, 4.5-5 mm, glabrous, apex obtuse. Petals 5, slightly longer than sepals. Stamens 8, ca. 5 mm in staminate flowers, shorter in pistillate, glabrous. Disk amphistaminal, slightly lobed and glabrous. Ovary glabrous, style glabrous, and stigmas recurved. Nutlets compressed, flat; wing including nutlet 2.5-5.5 × 0.6-1.5 cm, wings spreading at obtuse, acute, or erect angle. Fl. Apr, fr. Sep.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality andromonoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 25.0
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 -
Soil humidity -
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-9

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 365
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Acer amplum unspecified picture

Distribution

Acer amplum world distribution map, present in China and Myanmar

Conservation status

Acer amplum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:56603-1
WFO ID wfo-0000513955
COL ID 9463
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Acer acutum Acer amplum Acer amplum var. convexum Acer amplum var. jianshuiense Acer bodinieri var. convexum Acer cappadocicum subsp. amplum Acer longipes subsp. amplum Acer longipes var. hunanense Acer nayonense var. hunanense Acer acutum var. tientungense Acer acutum var. quinquefidum Acer amplum subsp. amplum

Lower taxons

Acer amplum subsp. bodinieri Acer amplum subsp. catalpifolium Acer amplum subsp. tientaiense