LM micrographs of leaf epidermis of Persicaria rotunda (A, B) and P. jucunda (C, D). A, C upper epidermis B, D lower epidermis. Arrow in B shows the four-celled peltate and spheroidal glands of P. rotunda and in C indicates the two-celled peltate glands of P. jucunda. Scale bars: 500 μm.
Part of: Guo Y-N, Chen S-F, Chen M-L, Li B (2019) Persicaria jucunda var. rotunda (Polygonaceae, Persicarieae), a distinct distylous taxa raised to specific rank. PhytoKeys 126: 127-138. https://doi.org/10.3897/phytokeys.126.35442