The USDA (https://plants.usda.gov/core/profile?symbol=Caod3) lists Trilisa odoratissima as a synonym for Carphephorus odoratissimus.
I believe the seed from Roundstone is the real thing. It just didn't grow well in my garden.
Bob
I believe the seed from Roundstone is the real thing. It just didn't grow well in my garden.
Bob