A Wonder Flower is a flower power-up that first appeared in Super Mario Bros. Wonder.
Bulrush - Super Mario Wiki, the Mario encyclopedia
Fire Flower, Nintendo
Super Mario Bros. Wonder Guide - IGN
Flower Kingdom - Super Mario Wiki, the Mario encyclopedia
Fire Mario - Super Mario Wiki, the Mario encyclopedia
Gold Flower - Super Mario Wiki, the Mario encyclopedia
Super Mario Bros. Wonder, MarioWiki
Yoshi - Super Mario Wiki, the Mario encyclopedia
Elephant Mario - Super Mario Wiki, the Mario encyclopedia
Armad - Super Mario Wiki, the Mario encyclopedia
Super Mario Bros. Wonder Guide - Everything You Need to Know - Nintendo Supply
Talking Flower, MarioWiki
The Super Mario Bros. Movie (Western Animation) - TV Tropes