Bamboo shoots or bamboo sprouts are the edible shoots (new bamboo culms that come out of the ground) of many bamboo species (Wikipedia, nd).
Although uncommon, allergic reactions to bamboo shoots can still occur. In the event of an allergic reaction after consuming bamboo shoots, contact your allergist.
Bamboo shoots are used in numerous Asian dishes and broths. They are sold in various processed shapes, and are available in fresh, dried, and canned versions (Wikipedia, nd).
Dietary Information and Related Articles:
Check out this informative link on how to cook with bamboo shoots.