FIGURE 5 in Status of Rumex palustris (Polygonaceae) in the flora of Iran: an overview of current taxonomy, anatomy and ecology

FIGURE 5. Anatomical micrographs of leaf epidermis in Rumex species. R. palustris: A. longitudinal section of lower epidermis, B. longitudinal section of upper epidermis, and C. cross section of leaf. R. dentatus: D. epidermal cells, and F. stellate trichome. R. maritimus: E. epidermal cells, and G. peltate trichome. A–C illustrations were observed under 400× magnification, and others (D–G) were reprinted (with copy right permission from Paul & Chowdhury 2021, ekbif@naver.com). Abbreviations: St = stomata, Pt = peltate trichome (or peltate gland), Lc = laticifer cells, Cr-d = druse crystals, Cr-s = sand crystals, T-pt = two-celled peltate trichomes (or two-celled peltate glands), O-pt = one-celled peltate trichomes, Cc = crystalliferous cells. Arrow shows the straight cell walls of epidermis.