Hemiboea purpurea Yan Liu & W. B. Xu
Hemiboea C.B. Clarke Perennial herb. Stems ascending, 20-40 cm high, 2.5-4.0 mm in diameter, subtetragonal, glabrous, simple, with4-8 nodes. Leaves opposite, 10-16; petiole 1-5 cm long,glabrous; leaf blade subcarnose, herbaceous when to 3-10×2-5 cm,apex acuminate, base cuneate to rounded, slightly oblique,margin...