Figure 3: Elemental maps and morphological structure of stem 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−1 dry weight. X, xylem; P, phloem; C, cortex; E, epidermis ; Pd, periderm; VC, vascular cambium; YX, younger xylem; OX, older xylem. Scale bar – 1000 μm.