Andrographis paniculata is an erect annual herb in the family Acanthaceae. It is native to Assam. The Assamese common names of the herb are কালমেঘ, চিৰতা, মহাতিতা (Kalmegh, Sirota, Maha Tita). Other common names of the herb are Kariyat, Kalmegh, Sirota, Sirata, Chirota, creat or green chiretta, Green chiretta is well known traditional medicine. Taste of Andrographis paniculata is extremely bitter. It is used to treat a microbial infection, and is anti-inflammatory, anti-oxidant, and anti-diabetic. It stimulates immunity of body. It is also a good medicine to treat common cold, dyspepsia, influenza, dysentery, malaria and respiratory infections. The whole plant of chiretta is used in medicine. So it is cultivated for its medicinal value and it grows well in most soil types thus it is widely distributed.
Arrangement of leaves of green chiretta is opposite-decussate, shape of leaves is lanceolate, and margin of leaves is entire. The height of the plant reaches upto 1-4 ft. The leaves and slender stem are dark green. The plant grows in moist, shady places. Fruits of Andrographis paniculata are oblong capsules and densely hairy.
Scientific classification of green chiretta
Family : Acanthaceae
Genus : Andrographis
Binomial name : Andrographis paniculata (Burm.f.) Nees
Synonyms of Andrographis paniculata (Burm.f.) Nees
Justicia latebrosa Russell ex Wall.
Justicia paniculata Burm.f.
Justicia stricta Lam. ex Steud.