Botanical name : Ludwigia octovalis (Jacq.) Raven
Family : Onagraceae
SANSKRIT SYNONYMS
Bhoolvananga
AYURVEDIC PROPERTIES
Rasa   : Kashaya
Guna   : Lakhu, Rooksha
Virya    :  Ushna
PLANT NAME IN DIFFERENT LANGUAGES
English         : Primrose willow
Hindi        : Banlunga
Malayalam    : Kattukarayambooov, Kattukarayambu
Distribution – Growing naturally throughout Western Ghats, and in Plains in wet places.
PLANT DESCRIPTION
A perennial undershrub grows up to 1.5 meters in height. Leaves simple, alternate, elliptic-lanceolate, acute and woolly. Flowers yellow, solitary and found in leaf axils. Fruits quadrangular, capsules, clove like appearance with numerous minute ovoid seeds.  
MEDICINAL PROPERTIES
Plant pacifies vitiated vata, pitta, anorexia, dyspepsia, diarrhea, cough, asthma, neuropathy, headache, leucorrhea and fever.
Useful part    :    Whole plant.