- Botanical name : Cassia fistula Linn.
- Family : Fabaceae
- Malayalam : Konna
- Tamil : Konnai
- English : Purging cassia
- Habit : Medium sized tree
- Useful part : Bark, Leaves, Fruit pulp
- Rasa Panchaka
- Rasa : Madhura, thikta
- Guna : Guru, Snigdha
- Veerya : Seetha
- Vipaka : Madhura
- Karma : Pitta kapha shamana, Sramsana
- Indications : Kushta, Krimi, Prameha, Vrana
- Dose : Phala majja(10-20g For virechana),
- Twak kwatha(90-100ml)
- Formulations : Mahamanjishtadi kwatha, Aragwadhasavam
