Monstrap is a plant-like creature with a round head with three petals stuck around. Each petal has a yellow round outside and a green one inside. Its upper head is black, contains its two round eyes and its two black fangs. Its neck has black and yellow stripes but its body has black and green, instead. It has four tiny legs: a green pair under is body and a yellow pair in the middle of its body. It ha two leaves stick in the middle of its neck, too.
Monstrap is one of the oldest living plant Pokémon that exist nowadays. It never went into extinction because it's a very cunning predator.