Nepal is a country rich in great Himalayas ranging from minor to major heights. The Himalaya is a compound word derived from two Sanskrit words Hima=snow and Alaya=home lie in the central Asia separating the Indian subcontinent from the mainland Asia. The Himalayan range which is the highest topographical range in the world covers the part of Afghanistan, Pakistan, India, Nepal, China and Bhutan. Himalayas are known as secret in the vedic civilization and always considered a the Tapovumi as well the land of medicine.
While studying the Himalayan region with topographical approach the region can be divided in to three or four categories.
- The great Himalayas (3600m and above) consists of hundreds of snow laden peaks.
- The middle Himalayas (1500m to 3600m) includes Mahabharat mountain forest and valleys.
- Sub Himalayan region (below 1500m) includes Siwalik range and fertile foothills
Kaski is known for its typical and unique vegetation and animals which are directly influnced by the climate and elevation there. As the elevation goes increasing the variety of plant diversity also get specificated. There are number of medicial plants amonst the plants available in the region like Aconitum spp, Rauwolfia serpentine, Terminallia chubula, Swertia chirata, Cannabis sativa etc. The geographical location encompasses a portion of Himalayan range in the norh and gangetic plane in the south.
Crude drug is any naturally occurring unrefined substance derived from organic or inorganic sources such as plant, animal, bacteria, organs or whole organisms intended for use in the diagnosis, cure, mitigation, treatment or prevention of disease in man or other animals. Medicinal plants are the plants of medicinal worth.
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