It seems that the evolution of thorns and plants is seen by some creationists as evidence against evolution and in favour of an Intelligent Designer. While I hate to spend time on debunking creationist foolishness on demand, I found the issue quite fascinating and relatively straightforward to rebut.
Read further at Plants that defy evolution: Datura stramonium (Jimson Weed) where also comments can be left.
PS: Joseph Alden and Gary McGuire are the same person. So any future postings by Joseph should continue under one of the two names as the use of multiple names is in violation of the board’s rules and can be grounds for moderation or removal. Jospeh Alden is Gary McGuire’s uncle and the two were sharing a similar email address and IP connection.