What trees bear edible sap?

Several trees produce edible sap, with the most notable being the sugar maple, which is tapped for its sweet sap used to make maple syrup. Other trees include the birch, whose sap can be consumed fresh or fermented, and the black walnut, which also yields a sweet sap suitable for syrup. Additionally, the palm tree, particularly varieties like the date palm, produces sap known as "toddy," which can be fermented into a beverage.