Plant

Could you please tell me about the name of these fruits or plant.

They said it has poison.I asked to some of my friends but I got no answer.

I asked to an old man,but,yeah....mmmm.....
It is.....,sorry!!,I need to go....
Oh,he was gone or he didn't know it,just give a reason to me to go away.
I tried to searched in google,I don't know how to search.
Maybe just steemit can help me.

Regards,
@mazidoank