I had a bit of fun with this one. I took a little bit of inspiration from that big ugly plant from JUMANJI for the design of the first form.
This is ~Doctordid
's kaiju, Dimentor, part of his Rockor universe. Dimentor is supposed to be a cross between a tulip and Rockor himself (akin to Biollante being a genetic splice of rose and Godzilla DNA). As the monster undergoes its metamorphosis, it becomes more dinosaur than plant-like, and some of its petals form a crystalline "helmet".
Dimentor belongs to