Botanical name : Argyreia nervosa (Burm.f.) Boj.
Family : Convolvulaceae
SANSKRIT SYNONYMS
Vraddhadaruka, Vrddhadaruka, Bastantri, Vrshyagandha
AYURVEDIC PROPERTIES
Rasa    : Katu, Tikta, Kashaya, Madhura
Guna   : Picchila, Lakhu, Snigdha, Sara
Virya   : Ushna
Vipaka: Madhura
PLANT NAME IN DIFFERENT LANGUAGES
English  : Elephant creeper
Hindi  : Samudrasos 
Malayalam : Marikunni, Marutudari, Samudrapacha 
Distribution – Throughout India growing in dense forests. 
PLANT DESCRIPTION
A very large, woody climbing shrub with white stems; leaves simple, alternate, ovate, acute, cordate base, glabrous above and tomentose beneath. Flowers purple, in long peduncled cymes, fruits globose berries, contain 2-4 seeds.
MEDICINAL PROPERTIES
Plant pacifies vitiated kapha, vata, nervine weakness, emaciation, weakness, wounds, cardiac debility, ageing, sexual weakness, insomnia, hemorrhoids, anemia, arthritis and general debility.
Useful part : Roots