The answer would be, "Characteristics, practices, and customs that are passed down through family, clans, gender groups, or larger cultural groups."
The first one is more of a genetic thing, while the third one shows family heirlooms or such.
Hope this helps! :)
It depends on which type of leaf, but I'll try to show you a simple one. I found this picture, I hope it's useful.
Felt that-
thanks for the points! :p