**3. Description and Distribution**

*A. aspera* is a medicinal plant. It is found throughout India as an annual herb. It is also found in Asia and many parts of world such as Mexico, Central America and Africa. *A. aspera* consist of many antioxidants like alkaloids, terpenoids and saponins, which have various pharmacological properties. Different types of chemical constituents have been isolated from this plant by various techniques. All pharmacological properties and chemical constituents are used for the treatment of various human diseases. *A. aspera* globally available as a medicinal weed in Baluchistan, Ceylon, Tropical Asia, Africa, Australia and America. It is also present Shiv Bari and Himachal Pradesh. In India it is found in field boundaries and also present at the road sides. The plant grows to a height of 0.2 to 2.0 m. root is cylindrical, 0.1–1.0 cm in thickness. Root is yellowish- brown in color, which is of two types secondary and tertiary. Stem is square in shape and yellowish-brown in color. Leaves are simple, slightly acuminate, petiolate and ovate. Leaves contain anomocytic type of stomata on the lower epidermis. Flower is 8–30 cm long and 3–7 mm wide. It is bisexual greenish-white. It consists of 5 perianth segment, 5 stamens, short filament, 7 gynoecium bicarpellary, syncarpous, ovary superior, single ovule, style and single stigma. It is found in two different color red and white flower. Seeds are round at the base, which are brown in color [7]. The whole plant and seeds of *A. aspera* consist of an alkaline substance known as potash [20]. It is common herbal drug in Ayurvedic, Unani-Tibbi, Siddha, Allopathic, Homeopathic, Naturopathic and Home remedies [21]. It is useful for the treatment of cough, renal dropsy, fistula, scrofula, skin rash, nasal, infection, chronic malaria, impotence, fever, asthma, piles and snake bites [22].
