A small shrub; leaves upto 20 X 30 cm; faddle shaped or panduriform, acuminate at apex; petioles up to 4.5 cm long; inflorescence terminal as well as axillary cyme; flowers 8-10 cm across; bracts many, broad, deciduous; calyx small, 5-toothed, eglandular within; corolla salver shaped, lobes-5, overlapping to the left; stamens-5, included, epipetalous, inserted near the base of the tube, anthers obtuse, rounded at base; disc absent or lining the calyx tube; carpels-2, distinct or connate, style short, stigma bilobed, ovules in many, stigma bilobed, ovules in many series; follicles linear-oblong; seeds many, oblong, winged.