a North American magnolia, Magnolia tripetala, having long leaves clustered into an umbrella formation at the ends of the branches and unpleasant-smelling white flowers
2. Also called: umbrella bush
any of various other trees or shrubs having leaves shaped like an umbrella or growing in an umbrella-like cluster
umbrella tree in American English
1. US
an American magnolia (Magnolia tripetala) with clusters of long leaves at the ends of the branches, foul-smelling white flowers, and reddish fruit
2.
any of a number of other trees or shrubs whose leaves are umbrella-shaped or growwith an umbrellalike effect, as the chinaberry