Page 126 - Ultimate Visual Dictionary (DK)
P. 126

PLANTS

       Gymnosperms 2



                                                                         Second-year female cone
                                BRANCH OF BISHOP PINE
                                (Pinus muricata)                              Ovuliferous scale
                 Needle                                                       (ovule- then seed-bearing
                 (foliage leaf)                                               structure)
                       Ovuliferous scale
                       (ovule- then seed-
                       bearing structure)

              Bud        Cone
              scale
                                                                                                Apical bud
                         Cone stalk
                          Stem
       Dwarf  shoot
                         Scale leaf  scar
                  FEMALE CONE
                  (FIRST YEAR)




                                   Stem





       Male cone                                                      Needle (foliage leaf)
                                                  Dwarf  shoot
                                                                                            Margin
                                                                               Upper surface   of needle
                                                                               of  needle   (foliage leaf)
                                                                               (foliage leaf)
                                                                 Needle
                                                                 (foliage leaf)
                                                                 Apical bud




                 Scar of                                                Dwarf  shoot
                 dwarf  shoot                             Stem
                                                         TERMINAL ZONE OF BRANCH
                                                                                   Stoma
                                                                                   (pore)
                                               Vascular tissue        Mesophyll
                                                                      (photosynthetic tissue)
                                                   Phloem  Xylem
                                                                               Epidermis
       Female
                                                                               (outer
       cone
                                                 Stoma                         layer of
                                                 (pore)                        cells)
                           Woody ovuliferous                                 Cuticle
                           scale (ovule- then     Endodermis                 (waterproof
                           seed-bearing structure)  (inner layer   Resin canal  covering)
                                                  of  cortex)                         MICROGRAPH OF NEEDLE
              FEMALE CONE                              MICROGRAPH OF CROSS-SECTION    (FOLIAGE LEAF) OF PINE
              (THIRD YEAR)                            THROUGH NEEDLE (FOLIAGE LEAF)        (Pinus sp.)
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