Squark-a great white shark with psionic powers & squid tentacles where it’s tail should be-sharkus psionocus squidus?
From xanth comes a trio of weird plants to consider-crabapple-a apple with crab claws-applious cancer
Infantree-a tree that grows battle ready infants-battlreadius homomorph
Tangle tree a oak sized caniverous plant-oakious chompious?