Figure 4: Elemental maps and morphological structure of leaf cross-sections of Phyllanthus balgooyi, Phyllanthus securinegioides and Rinorea bengalensis.
From: Nickel biopathways in tropical nickel hyperaccumulating trees from Sabah (Malaysia)

Concentration scale in wt% dry weight (for Ni, Ca, K, S, Cl) and μg g−1 dry weight (for Mn, Fe). UE, upper epidermis; LE, lower epidermis; X, xylem; P, phloem; PM, palisade mesophyll; SM, spongy mesophyll. Scale bar – 100 μm.