Fig. 1.

Leaves of Saururus chinensis at different developmental stages. (A) A plant at pre-anthesis stage. (B) A plant at anthesis stage. (C) A plant at fruit development stage. (D, H, L) A green leaf at pre-anthesis stage and its cross-section. (E, I, M) A white leaf at anthesis stage and its cross-section. (F, J, N) A re-greened leaf and its cross-section. (G, K, O) A normal green leaf and its cross-section. Scale bars: (H–K) = 100 μm; (L–O) = 10 μm. le = lower epidermis, pa = palisade parenchyma, sp = spongy parenchyma, ue = upper epidermis.