Hi: I don't really care if this plant is common: A. triphyllum. I have one with purple hood blooming on my windowsill right now and that makes me happy. It's my first time trying to grow these. Diana Pederson, Zone 5, Michigan http://www.geocities.com/Heartland/Acres/1945/index.html http://www.suite101.com/topics/page.cfm/262