Page 137 - PG 101-Course notes مذكرة النظري 24-25 with spec

Medicinal plants (PG 101) Level 1 Clinical Pharmacy-PharmD

Aspidium filix-mas

B-Seed-Producing Plants

 The most advanced of living plants.

 Distinguished by:

1) Formation of pollen tube.

2) Production of seeds

 They include 5 divisions, of which 4 divisions comprise the plants producing

naked seeds (Gymnosperms) and the fifth division Anthophyta comprises

the Angiosperms, i.e., flowering plants.
A. Gymnosperms “Naked seeds plants”: They have female strobili “♀cone” and or

male strobili “♂ cones”. They classified into 4 divisions: Cycadophyta,

Ginkgophyta, Gnetophyta and Coniferophyta.

o They are the most distributed division of

gymnosperms. The leaves are needle-like or scaly.

o Vascular tissue: Only trachieds (no fibers or vessels).

o The largest genus is Pinus (over 100 species).

Division

Coniferophyta ✓ Medicinal Products of Coniferophyta

Pinus (P. Palustris and P. sylvestris)

1) Turpentine oil

2) Colophony:

3) Pine Tar

Division o There is only one living species in this division

Ginkgophyta: Ginkgo biloba

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