2. Phytogeography
• Phytogeography is correlation between
plants and environment.
• Objective of phytogeography;
– To record and explain the distribution of plants
over the surface of the world
3. Phytogeography of Nepal
27%
50%
23%
Nepal Occupies
Himalayan region
Mahabharat & Hilly region
Plane region
0
5
10
15
20
25
30
35
40
45
44.74
12 10.6
21
7
Land distribution of Nepal in %
4. • 385 Pteridophytes
• 25 Gymnosperms
• 4750 Angiosperms
5160
species of
plant
available in
our
country
•Medicinal plants
1000 spp
•Aromatic plants
250 spp
5. Classification of Phytogeography of
Nepal
On the basis of climatic conditions
• Subtropical evergreen forest.
• Deciduous monsoon forest.
• Evergreen coniferous forest.
• Alpine grass land and
• Tundra vegetation.
On the basis of distribution of Rivers:
• Karnali vegetation
• Gandaki vegetation.
• Koshi vegetation.
On the basis of moist habitats.
• Terai and Bhabar,
• Foot hills,
• Mahabharat range,
• Mid lands,
• Himalayas,
• Inner Himalayas,
• Arid zones.
On the basis of vegetation Composition
and ecology.
•Terai, Bhabar Dun valleys and other foot hills;
•The mid land area & Southern sides of the Himalayas
ranges;
•Chure;
•The Mahabharat ranges;
•The Humla- Jumla area in the north-west;
•Dry river valleys;
•The Arid zones.
6.
7. Classification Of MAPs
Classification of
MAPS
According to
Motoyoshi
Satake (2000)
• Systematic medical treatment:
Transfer from generation to
generation by means of written
documents.
Egyptian and Mesopotamian
civilizations evolve into Western
and Arabian medicine via the
Greek and Roman civilizations,
Indus civilization evolved into
Ayurveda medicine
Yellow river civilizations into
Chinese medicine and Kampo
medicine.
• Non systematic medical
treatment
Most of these medicinal plants
have not been handed over
down to us by written materials
8. A- Alphabetical: B- Taxonomic:
C-
Morphological:
D-
Pharmacological
or therapeutic:
E- Chemical or
Biogenetic:
General Classification of Medicinal
Plants: