Rhynchotechum formosanum Hatusima
Rhynchotechum Blume Stems 0.3–2 m, apically densely appressed, Leaves opposite; petiole 0.5–2.5 cm, rust-brown woolly; leaf blade usually ellipticto obovate, rarely ovate, (6.5–)13–30 × (2.5–)6.5–12cm, densely rust-brown woolly, glabrescent, abaxiallyveins remaining densely woolly, base cuneate toattenuate, rarely rounded, margin denticulate...