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
Son of the Tree Son of the Tree Son of the Tree is a science fiction novella by Jack Vance. It was first published in "Thrilling Wonder Stories" magazine, June 1951, and in book form as half of an Ace Double in 1964 together with "The Houses of Iszm". The version that appears in the Ace Double is still less than novel length at about 31,000 words, but is essentially the same as the original magazine version. "Son of the Tree" was re-published as a stand-alone volume in 1974 by Mayflower. One of Vance's earliest efforts, and part science fiction, part espionage story, protagonist