Arunachal Pradesh- plant at Pasighat

Please identify these plants 270916AS1 : 2 posts by 1 author. Attachments (1)
Some high school students came to me with many medicinal plants generally used in local medicines. They are given a project by the school on the said topic. out of the plants i have problem in correctly identifying these three plants. Hope somebody may be working on these plants.
Location - Pasighat, Arunachal Pradesh
Fwd: Kind identification : 1 post by 1 author. Attachments (2)
Kindly identify this plant from Arunachal Pradesh. The two photos are of the same plant