FIGURE 4 in Status of Rumex palustris (Polygonaceae) in the flora of Iran: an overview of current taxonomy, anatomy and ecology

FIGURE 4. Anatomical micrographs of stem in Rumex palustris. A, B, C and D showing cross-sections at 40×, 100×, 400× and 400× magnifications, respectively, and E showing longitudinal section of epidermis with 400× magnifications. Abbreviations: Cu = cuticle, Ep = epidermis, Co = collenchyma, Cp = parenchymatous cortex, Lc = laticifer cells, En = endodermis, Lv = large vascular bundle, Sv = small vascular bundle, Sc = sclerenchymatous ring, Xy = xylem, Ph = phloem, Cr = Crystal, Pp = parenchymatous pith, Ps = papillose.