Pine trees secrete resin as a defense mechanism. This sap begins as a golden liquid, and eventually hardens into solid amber. Often times, you can find pieces of amber with perfectly preserved insects inside them, which should give an idea to the properties of pine sap.

Do pine trees produce fruit?

In common with other members of the class Gymnospermae, pine trees have no flower or fruit. Rather, the ovule (and later the seed) are “naked” (gymno = naked, in Greek) and are, in all members of the Pinaecae family, wedged between the scales of a woody “cone,” so named because it is generally cone-shaped.

What is a pine fruit?

Although a nut in the culinary sense, in the botanical sense pine nuts are seeds; being a gymnosperm, they lack a carpel (fruit) outside. The shell must be removed before the pine nut can be eaten.