Trees or shrubs, deciduous. Branches sympodial. Stipules absent. Leaves spirally arranged, simple, petiolate; leaf blade pinnately veined. Inflorescences appearing before leaves, composed of 6--12 clustered flowers borne in axils of bracts at base of a leafy shoot. Flowers bisexual. Perianth absent. Stamens 6--19, ± in one series. Carpels 8--31, free, ± in one series, stipitate, with 1--3 ovules attached below ventral suture. Fruit stalked, composed of several stipitate samaras. Endosperm copious, oily; embryo small.
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