Tree from the cinchona tree ("Cinchona") and was for a long time the remedy of choice for the treatment of malaria. Aspirin was synthesised to replace the sodium salicylate derived from the bark of willow trees ("Salix") which had unpleasant side effects. The anti-cancer drug Paclitaxel is derived from taxol, a substance found in the bark of the Pacific yew ("Taxus brevifolia"). Other tree based drugs come from the paw-paw ("Carica papaya"), the cassia ("Cassia spp."), the cocoa tree ("Theobroma cacao"), the tree of life ("Camptotheca acuminata") and the downy birch ("Betula pubescens"). The papery bark of the white birch tree
Parable of the Olive Tree original tree that was transplanted into good soil grew to give a mix of good and poor fruit. The master of the vineyard instructed his servant to cut off the branches of this tree that gave poor fruit, and burn them. However, the servant suggested to that master that with further care this tree too might bring forth good fruit. And so the master and his servant worked diligently at nourishing all the trees. After a long time the master and servant returned to the vineyard, and found that all trees, both the original and the transplants, had failed, and