plant, given intravenously, lowered the blood pressure in dogs by 26.87%. It also showed CNS depressant and sedative
Nerium oleander Linn. 437
activities. (In Indian medicine, the plant is used in various cardiac conditions including cardiac asthma.)
Neptunia oleracea Lour. Synonym N. prostrata Baffi. Family Mimosaceae.
Habitat Throughout India, in tanks.
Ayurvedic Lajjaalu (var.), Alambushaa. (Provisional synonyms.)
Siddha Sadai, Sundaikkirai.
Folk Paani-lajak (Punjab).
Action Astringent, refrigerant.
Mimosa pudica Linn. is the accepted source of the classical herb Lajjaalu. It is used as astringent and styptic.
Nerium indicum Mill.
Synonym N. odorum Soland. Family Apocynaceae.
Habitat Native of Mediterranean region; grown in Indian gardens.
English Indian oleander, White oleander.
Ayurvedic Karavira, Viraka, Ashvamaaraka, Hayamaaraka, Gauripushpa, Divyapushpa, Shatakumbha, Siddhapushpa (white-flowered var.). Raktapushpa, Raktaprasava, Ravipriya (red-flowered var.)
Unani Kaner Safed, Diflaa, Samm-ul-maar, Khar-zaharah.
Siddha/Tamil Arali, Alan, Aatrulari, Karaviram.
Action Root—resolvent and attenuant. A paste of the root is externally applied to haemorrhoids and ulcerations in leprosy. Paste of the root bark and leaves is used in ringworm and other skin diseases. An oil extracted from the root bark is used in skin diseases of scaly nature. Leaves—cardioactive (digitalis-like effect) and diuretic, anti-inflammatory, antifungal, insecticidal. Toxic.
The leaves contain several glycosides including glycosides of 8 betahydroxy-digitoxigenin. Cardenolide glycosides and pregnanolone glycosides have been isolated from roots.
The ethanolic extract of the flowers inhibits the growth of dermatophytes.
The plant shows antifungal activity against ringworm fungus, Microsporum nanum.
Dosage Detoxified leaves—30— 125 mg powder (API, Vol. I); root— 30 mg—125 mg powder (API,
