How does the author use imagery in the novel, Ogre, Ogre?

The fantasy in Ogre, Ogre is developed through imagery and feeds off of traditional tales and myths. The carnivorous tangle trees in the novel, for example, are created by a combination of images. Most likely Anthony had in mind the peculiar look of Spanish moss growing on trees, but what he does to create the tangle trees for readers is to combine images of a multibranched tree with the squid or octopus, thereby creating something new that does not exist.