The quince (Cydonia oblonga) is a decidious shrub or small tree of the Rosaceae family, with grey felted shoots. The leaves are alternate, entire, ovate to rectangular, glabrous above, white-woolly beneath. The large flowers are whitish, short-stalked and solitary. The fruit is a large, globose or pear-shaped, felted, aromatic pome with firm flesh and dark- brown flattened seeds which are poisonous. The fruit is at first green and yellow when ripe. Research Quince