Bioscience:The Wonderful World of Plants — Gentian
Blue gentian， the symbol of the mountains and the sign of fidelity， is famous worldwide. Its close relatives are less famous， however， they are much more useful. Yellow gentian is one of the oldest medicinal plants known to man. The wide range of gentian families is still used by man even today， above all for making high-proof spirits. The coveted roots are still harvested by hand in the mountains.
- Added：2006
- Country：Germany
- Duration：30
- Time of update：2011/8/17 16:30:43