GRANADILLA, the name applied to Passillora quadrangularis, Linn., a plant of the natural order Passillorew, a native of tropical America, having smooth, cordate, ovate, or acuminate leaves ; petioles bearing from 4 to 6 glands ; an emetic and narcotic root ; scented flowers ; and a large, oblong fruit, containing numerous seeds, imbedded in a subacid edible pulp. The granadilla is sometimes grown in British hothouses. The fruits of several other species of Passillora are eaten. P. lauriblia is the " water lemon," and I'. matiformis the " sweet calabash" of the West Indies.