Rhynchoglossum omeiense W.T. Wang
Rhynchoglossum Blume Perennials, rhizomatous. Stems 40–90 cm, 0.2–4 cm; leaf blade oblique, 1 side elliptic,other side ovate, 6–22 × 2–8 cm, adaxially abaxially glabrous, base strongly oblique,cuneate on smaller side, broadly cuneate, rounded, orsubtruncate on other, margin subentire, apex...