Fictional flowers

Flowey the Flower is a fictional character and the main antagonist of the 2015 video game Undertale, developed by Toby Fox. Flowey is the first NPC the player encounters in the game and introduces himself as a "friendly" and "helpful" talking flower, before quickly revealing himself to be a malevolent, megalomaniacal, and homicidal entity who abides by a "kill or be killed" philosophy.

character of the Mario series

The triffid is a fictional tall, mobile, carnivorous plant species, created by John Wyndham in his 1951 novel The Day of the Triffids, which has since been adapted for film and television. The word "triffid" has become a common reference in British English to describe large, invasive or menacing-looking plants.