1 A fallen coast redwood will often send up new shoots, growing new trees off of its trunk. This is called a candelabra tree.  Redwoods and giant sequoias were used to build many of the original buildings in San Francisco, Oakland, and Sacramento in the latter 1800s.
gossypol. n. 1. (Biochemistry) a toxic crystalline pigment that is a constituent of cottonseed oil. [C19: from Modern Latin gossypium cotton plant + -ol 1 ].
In the 1970s, the Chinese government began researching the use of gossypol as a contraceptive. Their studies involved over 10,000 subjects, and continued for over a decade. They concluded gossypol provided reliable contraception, could be taken orally as a tablet, and did not upset men's balance of hormones.