I saw this pretty flower in a planter with other, more familiar flowers, in Sydney, Canada and snapped a few shots of it so I could learn more later

Per Wikipedia: Canna indica, commonly known as Indian shot, African arrowroot, edible canna, purple arrowroot, Sierra Leone arrowroot, is a plant species in the family Cannaceae. It is native to much of South America, Central America, the West Indies, and Mexico. It is also naturalized in the southeastern United States (Florida, Texas, Louisiana, and South Carolina), and much of Europe, sub-Saharan Africa, Southeast Asia, and Oceania.

Learn more at Wikipedia: https://en.m.wikipedia.org/wiki/Canna_indica