- Botanical name : Oroxylum indicum L.
- Family : Bignonaceae
- Malayalam : Palakapayyani
- Tamil : Palaiyudaycci
- English : Indian trumpet
- Habit : Small tree
- Useful part : Root
- Rasa Panchaka
- Rasa : Thikta, kashaya, katu, madhura
- Guna : Laghu, ruksha
- Veerya : Ushna
- Vipaka : Katu
- Karma : Kaphavata shamana
- Indications : Atisara, udara
- Dose : Churna(1-3g), kwatha(20-40ml)
- Formulations : Dashamularishta, Dashamula kashayam
