Acer yangbiense is a species of maple with a very restricted distribution in Yunnan, China, only known from around ten specimens from a single locality on the western slope of Mount Cangshan in Yangbi County.Acer yangbiense is a deciduous tree up to 20 metres (66 ft) in height with noticeably pubescent new branchlets. The leaves are five-lobed and large, up to 20 cm long and 25 cm across, again with clear pubescence on the veins on the underside of the leaves.
photo of herbarium specimen at Missouri ...