Tourists view the Corpse Flower at the US Botanic Garden in Washington, DC on August 2, 2016. The USBG’s Titan Arum (Amorphophallus titanium), also known as the corpse flower or stinky plant for its smell often compared to rotting meat, is native to Sumatra Indonesia and is expected to bloom for 24 to 48 hours before collapsing. / AFP PHOTO / CHRIS KLEPONIS

It is unusual enough to see one of nature’s biggest, rarest — not to mention smelliest — flowers bloom. But it is extraordinary to see two bloom at once.

That is why two seven-foot-tall corpse flowers at the Chicago Botanic Garden have attracted thousands of visitors this week, despite the smell of rotting flesh that the flowers emit to attract pollinating beetles and flies.

The rare flowers, officially called titan arum, are naturally occurring in just one…