Purple Heads is an annual herb, growing to 60 cm tall. It makes it appearance in the monsoons. Upper leaves smaller than the lower ones, 10-15 cm, elliptic-lancelike. Inflorescences are purple solitary heads 8-12 mm, at the end of branches. Leafy bracts below the purple heads, longer than them. Occassioanlly seen on the hills of Western Ghats.