https://www.sciencedirect.com/science/article/abs/pii/S01618...
A hike through the woods in southeastern Ohio will make this fact obvious. I miss the area and love coming across a stand of pawpaw in the understory. The leaves are so big. It feels like walking in the jungle. I miss the pawpaw festival in Albany, OH.
It will be interesting if anyone is able to bring them to market at scale, it seems like agriculture departments at several universities have programs to work on different varietals with better shelf-life and shipping characteristics.
Ideally, they have a mild, sweet flavor, and the name 'custard apple' is quite appropriate. They aren't durian- there shouldn't be any strong flavors or smells present that might be off-putting.
Callicarpa americana can stand semi-shadow and the tiny berries are edible in jelly.
Asimina hates being too dry.