Acer pentaphyllum (五小叶槭 wu xiao ye qi) is a very rare, endangered maple species endemic to southwestern Sichuan in China, at altitudes of 2300–2900 meters.

Acer pentaphyllum is a deciduous tree that grows to 10 meters in height. Leaves are palmately compound hairless, usually with 5 lobes but sometimes with 4 or 7. Leaflet are 5-8 × 1.5–2 cm, narrowly lanceolate or lanceolate.

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