Figure 2: Elemental maps and morphological structure of root 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 or in μg g−1dry weight. X, xylem; P, phloem; C, cortex; E, epidermis. Scale bar – 100 μm.