Acer cissiofolium (Vine-leaved Maple)
Location: Cultivated in large gardens and collections.
Has a girth of 1m
Leaves have three leaflets. Compare with Box Elder (Acer negundo) and Nikko Maple (Acer nikoense) They turn pale yellow and red in autumn.
Male and female flowers are produced on the same tree in May, forming pairs of flowerheads 10-12cm long.
Keys have red wings 2-3cm long diverging at an angle of 60° or less.