Anna ophiorrhizoides (Hemsl.) Burtt & Davidson 
Anna Pellegr. Stems with internodes 0.2–5 cm. Petiole 0.7–2 cm; leafblade usually falcate, lanceolate, 4–13 × 1.1–4.5 cm,adaxially sparsely appressed puberulent, puberulent along veins, margin apex acuminate; lateral veins 6–8 on eachside of midrib. Peduncle 1.5–4 cm, glabrous; white,...