''Acer stachyophyllum'' is an Asian species of

maple ''Acer'' () is a genus of trees and shrubs commonly known as maples. The genus is placed in the family Sapindaceae.Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 nd more or less continuously updated since http ...

. It is native to China (

Gansu Gansu (, ; alternately romanized as Kansu) is a province in Northwest China. Its capital and largest city is Lanzhou, in the southeast part of the province. The seventh-largest administrative district by area at , Gansu lies between the Tibet ...

Henan Henan (; or ; ; alternatively Honan) is a landlocked province of China, in the central part of the country. Henan is often referred to as Zhongyuan or Zhongzhou (), which literally means "central plain" or "midland", although the name is al ...

Hubei Hubei (; ; alternately Hupeh) is a landlocked province of the People's Republic of China, and is part of the Central China region. The name of the province means "north of the lake", referring to its position north of Dongting Lake. The prov ...

, Ningxia,

Shaanxi Shaanxi (alternatively Shensi, see #Name, § Name) is a landlocked Provinces of China, province of China. Officially part of Northwest China, it borders the province-level divisions of Shanxi (NE, E), Henan (E), Hubei (SE), Chongqing (S), Sichu ...

Sichuan Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of the ...

Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...

Yunnan Yunnan , () is a landlocked Provinces of China, province in Southwest China, the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is ...

), Myanmar, northern India, Bhutan, and Nepal.Flora of China, ''Acer stachyophyllum'' Hiern in J. D. Hooker, 1875. 毛叶枫 mao ye feng
/ref> ''Acer stachyophyllum'' is a deciduous tree up to 15 meters tall with smooth yellow-brown bark. It is

dioecious Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproductio ...

, meaning that male and female flowers are on separate trees. Leaves are non-compound, up to 11 cm wide and 6 cm across, thin and papery, sometimes with no lobes but sometimes with 3. ;Subspecies * ''Acer stachyophyllum'' subsp. ''betulifolium'' (Maxim.) P.C.DeJong — Gansu, Henan, Hubei, Ningxia, Shaanxi, Sichuan, Yunnan, Myanmar * ''Acer stachyophyllum'' subsp. ''stachyophyllum'' — Hubei, Sichuan, Tibet, Yunnan, Bhutan, India, Myanmar, Nepal

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Line drawing for Flora of China
subsp. ''stachyophyllum'' at top; subsp. ''betulifolium'' at bottom stachyophyllum Trees of China Trees of the Indian subcontinent Trees of Myanmar Dioecious plants Plants described in 1875 {{Sapindales-stub