Rubia argyi is a species of flowering plant of the family Rubiaceae.

[1][2][3] Its common names may include East Asian madder.

[4] It occurs in southern and eastern China, Taiwan, Japan, and Korea.

[2] Rubia argyi is a herbaceous, perennial vine.

The stem can grow to a length of 2 m (6 ft 7 in) or more.