HABIT	HERABCEOUS, TWINING ANNUAL OR PERENNIAL, 1-2M LONG.
STEMS	THINLY ANGULAR; AXIAL PARTS GLABROUS, SPREADING PUBESCENT OR ALMOST WOOLY.
LEAVES	CORDATE-CIRCULAR OR OVATE, OCASSIONALLY RENIFORM, 2-8 X 1.6-8, GLABROUS OR SPARSELY PILOSE, BASE CORDATE, MARGINS ENTIRE OR MINUTELY UNDULATE, APEX ATTENUATE, ACUTE.
FLOWERS	INFLORESCENCE 1-3 FLOWERED PEDUNCLE; FLOWERS WHI T E OR PA L E YE L LOW WI TH DA RKE R MEDIAPETALINE BAND AND A PURPLE CENTRE.
FRUITS	CAPSULE CONICAL-OVOID OR SOMEWHAT GLOBOSE, 6-8 MM IN DIAMETER, APICULATE.
SEEDS	BLACK-BROWN, 4-5 MM, DENSELY GREY-BROWN TOMENTELLOUS.