Acer palmatum

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Acer palmatum, Toujo-cho, Hyogo, Japan

Taxonavigation[edit]

Taxonavigation: Sapindales
Classification System: APG III (down to family level)

Main Page
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids II
Ordo: Sapindales

Familia: Sapindaceae
Genus: Acer
Species: Acer palmatum

Acer palmatum, called Japanese Maple or Smooth Japanese Maple is a woody plant species native to Japan, North Korea, South Korea, China, eastern Mongolia, and southeast Russia. Many different cultivars of this maple have been selected and they are grown worldwide for their attractive leaf shapes and colours. A deciduous shrub or small tree reaching heights of 6 to 10 m (20 to 33 ft), rarely 16 metres (52 ft), often growing as an understory plant in shady woodlands. The leaves are 4–12 cm long and wide, palmately lobed with five, seven, or nine acutely pointed lobes. Flowers are produced in small cymes, the individual flowers with five red or purple sepals and five whitish petals while the fruit is a pair of winged samaras, each samara 2–3 cm long with a 6–8 mm seed.


Acer palmatum subsp. palmatum. Leaves small, 4–7 cm wide, with five or seven lobes and double-serrate margins; seed wings 10–15 mm. Lower altitudes throughout central and southern Japan (not Hokkaido). Acer palmatum subsp. amoenum (Carrière) H.Hara. Leaves larger, 6–12 cm wide, with seven or nine lobes and single-serrate margins; seed wings 20–25 mm. Higher altitudes throughout Japan and South Korea. Acer palmatum subsp. matsumurae Koidz. Leaves larger, 6–12 cm wide, with seven (rarely five or nine) lobes and double-serrate margins; seed wings 15–25 mm. Higher altitudes throughout Japan.

Name[edit]

Acer palmatum Thunb. (1784)

Synonyms[edit]

  • Heterotypic
    • Acer palmatum var. coreanum Nakai, Fl. Sylv. Kor. 1: 10, t. 3 (1915).
    • Acer palmatum var. koreanum Nakai, Rep. Veg. Isl. Quelp.: 61 (1914).

Reference[edit]

Vernacular names[edit]

dansk: Japansk Løn
Deutsch: Fächerahorn
English: Japanese Maple
español: Arce japonés palmeado
français: Érable palmé
galego: Pradairo xaponés
한국어: 단풍나무
italiano: Acero giapponese
Nederlands: Japanse esdoorn
日本語: イロハモミジ
polski: Klon palmowy
română: Artar japonez
slovenčina: Javor dlaňolistý
suomi: Japaninvaahtera
svenska: Japansk lönn
Türkçe: Japon akçaağacı
中文: 鸡爪枫
Wikimedia Commons For more multimedia, look at Acer palmatum on Wikimedia Commons.