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DescriptionShrub or small tree. Stipules sheathing the stem, persistent for many years. Leaves imparipinnate with 2-3 pairs of leaflets; margin deeply toothed. Inflorescence of erect racemes.Flowers bisexual. Calyx with 5 epicalyx lobes and 5 calyx lobes. Petals 5. Stamens 10, dimorphic. Disk annular. Carpels 2. Stigmas hooked. Fruit an achene.