- Botanical name : Alstonia scholaris
- Family : Apocynaceae
- Tamil : Ezhilampalai
- Hindi : Satouna
- Malayalam : EzhilaPala
- English : Blackboard tree
- Habit : Sapta Parna is a small shrub growing to a height of 60cm, bearing fragrant white flowers and long, narrow leaves.
- Distribution : West Bengal, Bihar, Peninsular India, Andaman Islands
- Useful part : Stem Bark, Latex, Flowers
- Rasa Panchaka
Rasa : Kashaya, Tikta
Guna : Laghu, SnigdhaVeerya : UsnaVipaka : Katu
Karma : Tridosha Hara, Dipana, Hrdya - Indications : Krimi Danta, Swasa, Vrana, Sandrameha
- Dose : Decoction – 40 – 80 ml
- Formulations : Saptacchadi Taliam, Saptacchadi Kwatha, Triphala Ghrita
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