Year of release: 1987 Pedigree: Clonal selection from germplasm Yield: 25-30 t ha-1 Potential yield: 54 t ha-1 Maturity: 9-10 months Suitable growing regions: Kerala Key traits: Climber twining to right, female plant with green vine with purple ridges Green emerging leaf and cordate leaves Petiole with purple base Green middle portion and light purple tip Digitate, smooth tuber with black skin, purple cortex and white flesh colour Tubers with less starch (16.0-18.0%) and medium protein (1.0-1.5%) content Excellent cooking quality Resistant to scale insect during storage