Erigeron purpurascens  Erigeron purpurascens is a Chinese species of flowering plants in the daisy family. It grows on mountainsides in the province of Sichuan in southwestern China. "Erigeron purpurascens" is a tiny, clump-forming perennial herb rarely more than 7 cm (2.8 inches) tall, forming a woody rhizomes. Its flower heads have purple ray florets surrounding yellow disc florets.