Q.Why Does My Balloon Flower Only Have Four Petals Instead Of Five?
A white balloon flower just now came up in August, it only has four petals and stamens, instead of five. Is there a reason for this? I didn’t plant it, and didn’t know it was there until weeds took over and it popped up. Curious as to why it is different for identification purposes. Thank you!

GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on September 14, 2021
It's probably just a sport (mutation). You may have discovered a new variety!
https://www.gardeningknowhow.com/garden-how-to/info/plant-sport-mutations.htm
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