R.Br.Synonym: D. macrophylla auct. non-Wall. ex D. Don.Family: Gesneriaceae.
Habitat: Sub-tropical Himalaya from Himachal Pradesh to Aruna- chal Pradesh at 500-2,500 m.
Ayurvedic: Kshudra-Paashaana- bheda, Shilaa-valkaa, Shilaa- pushpa.Action: Leaf—antilithic. Used for stones in kidney and bladder.
The leaves contain a number of chal- cones, quinochalcones and flavanones. Pediflavone has also been isolated from young leaves.