Bacopa monnieri

This herb spreads on ground and its stems and small wedge shaped  leaves are succulent  i.e. fleshy and borne on light green succulent branches.The mauve flowers are solitary and are produced in the axils of leaves.  Roots arise on the nodes of the stem also.  This herb grows near marshes, on bunds of paddy fields and generally in wet places.  It also called Moniera cunefolia belonging to the family Scrophulariaceae. The entire plant is used in medicine and forms a reputed nerve and heart tonic. The plant contains an
alkaloid Bramhine, which provides strength and tone to the heart. Usage of the plant  enhances memory power of students  Other medicinal plants found in Kerala are as follows Acalypha indica.Acorus Calamus, Adhatoda vasaka, Aegle marmelos, Andrographis paniculata, (kirayat.)Azadirachta indica, Boerhavia diffusa,(Punarnava Thazuthama). Cassia auriculata Gloriosa superba(mo thonni) Hydrocotyle asiatica, Hydnocarpus kurzii(marotti). Lawsonia intermis (henna). Ocimum sanctum.Phyllanthus niruri,  Rauvolfia serpentina. Saraca asoca.  Sida cordifolia.Solanum nigrum, Tinospora cordifolia

A twining plant with many, long, fleshy roots. Leaves in opposite pairs, 5-10 cm long, ovate, usually pointed at tip. The specific name asthmatica indicates the use of the plan  leaves in asthma .It is reputed as it cures child asthma.Leaves contains alkaloids tylophorine and tylophorinine which causes dermatitis. The medicine is used in Ayurveda and in Homeopathy as well

It is a medium sized tree, belonging to the natural order of Loganiaceae. The plant is first described by Linneaus in 1753.The medicine nux vomica is prepared from the seeds which possess intensely and persistently very bitter taste and contain  strychnine and brucine(the alkaloids are present not only in the seeds ,but also in roots, wood, bark, leaves ,fruit pulp ,and the hard fruit shells. The ash grey circular seeds  remain in the fruit, which is very much like a ripe orange, in colour and appearance. The medicine is used in Ayurveda,Homeopathy, and allopathy.