Acer amplum is an Asian species of maple found in Vietnam and China.Rehder, Alfred 1911. in Sargent, Charles Sprague, Plantae Wilsonianae an enumeration of the woody plants collected in Western China for the Arnold Arboretum of Harvard University during the years 1907, 1908 and 1910 1: 86-88 description in Latin, commentary in English
Acer amplum is a tree up to 25 meters tall with smooth brown or gray bark. Leaves are non-compound, heart-shaped, sometimes unlobed but other times with 3 or 5 lobes, the blade up to 25 cm long and about the same distance in width.Flora of China, Acer amplum Rehder in Sargent, 1911. 阔叶枫 kuo ye feng
Subspecies Acer amplum subsp. amplum - Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang Acer amplum subsp. bodinieri (H.Lév.) Y.S.Chen - Guangxi, Guizhou, Hunan, Yunnan, Vietnam Acer amplum subsp. catalpifolium (Rehder) Y.S.Chen - Guangxi, Guizhou, Sichuan Acer amplum subsp. tientaiense (C.K.Schneid.) Y.S.Chen - Fujian, Jiangxi, Zhejiang
References
External links line drawings for Flora of China, subsp. amplum line drawings for Flora of China, subsp. catalpifolium line drawings for Flora of China, subsp. bodinieri