Small tree c. 4 m high. Shoots and petioles shining dark purple. Leaft lamina dark green and shining above, undulately scalloped. Corolla c. 7 cm long, light yellow; petals c. 5 cm wide, suborbicular except the purplish base. Calyx purple-veined. Fruits c. 5 x 2-2.5 cm across base, ellipsoid-ovoid, very hispid. Seeds 4-5 mm wide, subreniform. Fairly common cultivar.