Page 161 - Ultimate Visual Dictionary (DK)
P. 161

WETLAND PLANTS
        WATER LILY
        (Nymphaea sp.)         Star-shaped sclereid   Upper epidermis                 Palisade mesophyll
                               (short strengthening cell)  (outer layer of cells)  Vein
                                                                                      (tightly packed
                                                                                      photosynthetic tissue)
                             Lacuna
                             (air space)                                             Parenchyma
                                                                                     (packing tissue)
        MICROGRAPH OF CROSS-SECTION   Lower epidermis                      Phloem
        THROUGH LEAF OF WATER LILY  (outer layer of cells)                       Vascular
                                                                                 tissue
                                                                           Xylem
                  Flower
                                                           Midrib
                                                                                     Adaxial (upper)
          Petal                     Lateral                             Abaxial (lower)   surface of    Margin
                                    vein       Midrib  Waxy, water-repellent   surface of    lamina (blade)  of lamina
                                                      lamina (blade)    lamina (blade)            (blade)











                                                                                            Petiole
              Pedicel                                                                       (leaf stalk)
              (flower stalk)
                     Developing                                                             Cortex
                     leaf                                                                   (layer between
         Cortex                                                    Star-shaped sclereid
         (layer between                                                                     epidermis and
         epidermis and                                             (short strengthening cell)  vascular tissue)
         vascular tissue)

         Vascular                  Lacuna                     Epidermis
         bundle                    (air space)                (outer layer
                                                              of cells)
        Epidermis                Endodermis
                                 (inner layer
        (outer layer
        of cells)                of  cortex)                         Lacuna
                                                                     (air space)                  Vascular
              MICROGRAPH OF CROSS-SECTION
                                                                                                  bundle
                  THROUGH STEM OF
                                                                  Flower
                     ELODEA SP.
                                                                  bud   MICROGRAPH OF CROSS-SECTION THROUGH
                                                                               PETIOLE OF WATER LILY
                                                                  Pedicel
                                                                  (flower stalk)
                                                                          Rhizome
                  Plant fully
                  submerged
            Leaf
                                                                     Adventitious
                                                                     root








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