Page 125 - Ultimate Visual Dictionary (DK)
P. 125

GYMNOSPERMS 1
        SMOOTH CYPRESS                                            YEW
        (Cupressus glabra)                                        (Taxus baccata)

                 Immature             Ovuliferous
                 female               scale
                 cone                                  Ovule
                                                       (contains female
                                                       gamete)
         Ovuliferous scale              CROSS-SECTION THROUGH
         (ovule- then seed-                IMMATURE CONE
         bearing structure)
                                                    Ovuliferous scale
                                                    (ovule- then seed-
                                         Seed       bearing structure)
                                                                 Single ovule
                                    Scalelike                    (contains female
                                    leaf                         gamete)

                                            CROSS-SECTION                   Scale
                                          THROUGH MATURE                                        Seed
        Mature                                 CONE                  Female “cone”
        female                      Immature                                                    Aril
        cone                        male cone                               Scale               (fleshy
                                                     Opening between                            outgrowth
                                                     woody scales   Developing                  from seed)
                                        Woody        through which   seed
                                        scale        seeds are                Scale             Stem
                                                     released
                                           DISCARDED CONE         FEMALE “CONES” AT
                            Stem                                   VARIOUS STAGES OF            Needle
                                                                    DEVELOPMENT                 (foliage
        CYCAD                                                                                   leaf)
        Sago palm
        (Cycas revoluta)
                                               Pinna          MAIDENHAIR TREE
                                               (leaflet)      (Ginkgo biloba)                 Girdle scar

      Pinnate leaf                                                       Stem


          Scale
          leaf                                          Petiole
                                                        (leaf stalk)





                                            Old leaf  base                     Bilobed leaf
                                 Stem covered
         Continuously            by scale leaves
         growing leaf
                                                      Adaxial (upper)
                                    Site of  cone     surface of  leaf
                                    growth
                                                                                        Frayed end of  leaf
                                                             Abaxial (lower)
                                                             surface of  leaf
                Immature
                cone
                       Stalk
                       scar             Woody stem


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