Page 146 - Pharmacognosy 2 PG303
P. 146

3.Flower        Pharmacognosy-2 (PG303)

                                   Spike inflorescence.

4.Fruit         Inflated capsule.               Dorsiventral                Dorsi
                (Porous capsule)                The epidermal: showing      layere
 Microscopical  - Dorsiventral                  few diacytic stomata
   Character    containing rod-shaped crystals                              Squar
                of fat.                         Square in outline.          Epide
1.Leaves        - Midrib has a central large    Epidermis: diacytic         tricho
                collateral vascular bundle,     stomata and scattered       Corte
2.Stem          which shows laticiferous        trichomes.                  consis
                vessels in the phloem.          Cortex: parenchymatous      fibers
                - Angular, winged in outline.   with four patches of
                - Epidermis anomocytic          collenchyma in the ridges.
                stomata and numerous            Endodermis
                trichomes.                      Pericycle
                -Cortex: chlorenchyma,          Pith: (lignified).
                (collenchyma is present in
                wing region)
                -Endodermis
                -Pericycle
                -Pith: hollow
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