They do but only after they have served their purpose and not all at once.
A pine tree that's my guess.
Pine tree
Pine tree
If you are asking if one can be allergic to pine tree needles, the answer is YES. You can be.
They are needles
pine needles in Tagalog: no direct translation but it is referred to as pine tree also in Tagalog. Example is the Baguio pine tree.
A baby pine tree may have pine needles falling off of the tree because it is too dry. It may also have pine needles dropping because of the change of the season.
pine cones?
Pine needles.
Needles.
Needles
Roots, trunk, branches, twigs , needles and cones.