Dodonaea

Trees or shrubs, dioecious or sometimes monoecious, often viscid. Leaves simple, entire. Flowers in a racemoid or paniculate thyrse. Sepals 3-7, imbricate or valvate. Petals 0. Disc vestigial. Stamens 5-8 (rudimentary in female flowers); filaments shorter than anthers. Ovary 2-4(-6)-locular, 2-4(-6)-angled, sessile; with 2 axile ovules in each locule (rudimentary in male flowers); style 3-6-fid, or thick and undivided. Fruit a membranous capsule, with 2 or 3 papery wings, often tinged pink, septicidally 2- or 3-valved, with 1 or 2 seeds in each locule. Seeds lenticular or subglobose, compressed. x = 14 (12, 15, 16) (polyploidy).