Oxalis violacea L. Engl.: violet wood-sorrel. Port.: azedinha grama. Bot. syn.: Sassia tinctoria Molina.
Classic texts: Rafinesque 1828-1830.
Classic texts: Sturtevant 1919.
Classic texts: King's 1898.
Classic texts: Journals: AJP 1884.
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.