|Rubia chinensis var.
glabrescens, a perennial herb of 30-60cm in height, grows in
forests in mountainous regions with no hairs. Phyllotaxis is a whorl
of four leaves with petioles in the shape of an oval or broad-lanceolate,
6-10cm long. Stem tips or axils emerge cymes which set many
flowers. Corollas are green-white, 3-4mm in diameter, and cut in
4-5; the lobes are oval. Sap fruit is spherical and matures in
black. Bloom time: May-July.