The bloom has attracted up to 20,000 admirers who filed past, hoping to experience the smell for themselves, with some attendees describing it as "like death," "like poop," and "like sewage water."

The flower has been said to smell like rotting flesh, wet socks or hot cat food, and only stinks for 24 hours after blooming.

The flower's Latin name translates as "giant, misshapen penis." But it's better known to locals as "Putricia." Royal Botanical Garden Sydney has even set up a livestream in anticipation.