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General DescriptionTrees, rarely shrubs, 4-10 m tall. Bark grayish to tinged with green, smooth. First year branchlets green, smooth, glabrous or densely incanous. Winter buds purplish brown, ovoid, 3-6 mm, glabrous, apex acute. Petiole 1-2 cm, densely incanous or pubescent when young, often with nectaries; leaf blade obovate to obovate-oblanceolate, 4-8 cm long, 2.5-5 cm wide, grayish green, both surfaces pubescent when young, gradually glabrescent or only abaxially pubescent in vein axils with age, base broadly cuneate to rounded, margin usually acutely serrulate, apex caudate. Flowers solitary or 2 in a fascicle, opening before leaves, 2-2.5 cm in diameter, strongly fragrant. Pedicel to 10 mm, glabrous. Hypanthium usually reddish brown but green to greenish purple for some cultivated varieties, broadly campanulate, 2.5-4 mm, outside glabrous or sometimes pubescent. Sepals ovate to suborbicular, 3-5 mm, apex obtuse. Petals white or pink, obovate, 0.9-1.4 cm long, 0.8-1.2 cm broad. Stamens shorter to slightly longer than petals. Ovary densely pubescent. Style shorter to slightly longer than stamens. Drupe yellow to greenish white, subglobose, 2-3 cm in diameter, pubescent; mesocarp sour, adnate to endocarp; endocarp ellipsoid to subglobose, slightly compressed on both sides, ventral suture somewhat obtuse, distinctly longitudinally furrowed on ventral and dorsal sides, surface pitted, base cuneate, obtuse, or rounded, apex obtuse and abruptly mucronulate.