The Amorphophallus titanumin, also known as Titan arums, is commonly called the “corpse flower,” because of the wretched smell it emits when it blooms. Its flower can stand about 10 feet tall and blooms once every six years, or sometimes less frequently.

The Titan Arum plant (Amorphophallus titanum), also known as the corpse flower or stinky plant, is seen in full bloom at the United States Botanic Garden Conservatory in Washington, D.C., on July 22, 2013. Karen Bleier/AFP/Getty Images