Yikes… makes ya wonder who’s bright idea was it to lump everything under a single genus 
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Stage of ripeness is very typical for most Solanums, Black Nightshades & Tomatoes for example should be eaten when fully ripe.
This reminds me of Lupine Beans. People have found creative ways to make poisonous plants into edible foods.
Then why have foraging guides at all? Plus there’s also allergic reactions to perfectly edible foods, sometimes they are unexpected.
@franasa I think ti’s very smart you put “Use this as educational guidance, not a guarantee of identification. Never collect or consume plants based solely on this app — always confirm independently.” - Probably saves you from the litigation trouble @garrytre was talking about.
Also @franasa I would also make a website form of this, not everyone uses an app. I like INaturalist for this reason, app isn’t required.