- Botanical name : Bambusa arundinaceae
- Family : Poaceae
- Tamil : Mungil
- Hindi : Bans
- Malayalam : Mungil
- English : Thorny bamboo
- Habit : Vamsa is a perennial shrub growing upto 30m height. It is found in all the deciduous forests. The stem is hollow inside and outside with green to brown color. The stems have nodules in it.
- Distribution : Found primarily in tropical and subtropical regions of South Asia, including India, Sri Lanka, Bangladesh, and parts of Southeast Asia.
- Useful part : Grains, leaves, Vam?alocana (Dried resin)
- Rasa Panchaka
- Rasa : Madhura, Kashaya
- Guna : Laghu, Ruksha
- Veerya : Sheeta
- Vipaka : Madhura
- Karma : Kapha-pittahara, Chedana, Vasti?odhana
- Indications : Mutra krichra, Prameha, Kustha
- Dose : Decoction 50-100 ml
Vamsalocana 1-3g
- Formulations : Chandraprabha vati, Kanchanara guggulu, Drakshavaleha, Dadimashtaka choorna.

