Acer metcalfii Rehder. Bot. syn.: Acer sikkimense subsp. metcalfii (Rehder) P. C. DeJong).
Botany, Jan De Langhe, Images: Acer metcalfii
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.