Page 146 - Pharmacognosy 2 PG303

Pharmacognosy-2 (PG303) Level 2 Clinical Pharmacy-Pharm D

3.Flower Spike inflorescence. Minute ovary enveloped by a
membranous perianth termed
perigone.

4.Fruit Inflated capsule. Capsule (small pyxis)
(Porous capsule)
Microscopical - Dorsiventral Dorsiventral Dorsiventral with double Isobilateral with a single Dorsiventral
Character containing rod-shaped crystals The epidermal: showing layered palisade cells. palisade layer Anisocytic With unbranched laticeferous
1.Leaves
of fat. few diacytic stomata stomata. Glandular trichomes: vessels in the phloem
- Midrib has a central large branched, non- branched and CaCO3 (cystolith)
collateral vascular bundle, clavate. In upper surface.
which shows laticiferous Bicollateral V.B
vessels in the phloem.
2.Stem - Angular, winged in outline. Square in outline. Square in T.S. Epidermis: less trichomes and
- Epidermis anomocytic Epidermis: diacytic Epidermis labiaceous stomata.
stomata and numerous stomata and scattered trichomes. The Cortex with collenchyma
trichomes. trichomes. Cortex: collenchyma Pericycle: Pericycle: fibers,
-Cortex: chlorenchyma, Cortex: parenchymatous consists of groups of lignified Central pith
(collenchyma is present in with four patches of fibers.
wing region) collenchyma in the ridges.
-Endodermis Endodermis
-Pericycle Pericycle
-Pith: hollow Pith: (lignified).

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