Anna rubidiflora S.Z.He, Fang Wen & Y.G.Wei 
Anna Pellegr. Perennial subshrub. Rhizomes 6–10 cm long, 1–1.5 cm in diam. Stems 60–80 cm long, simple or rarely angulate, glabrous. Leaves opposite; blades chartaceous, entire, slightly oblique, lanceolate or 5–12.5 × 1.5–2.8 cm, apex caudate acuminate oracuminate, base oblique...