Bamboo shoots

Bamboo shoots or bamboo sprouts are the edible shoots of many bamboo species including Bambusa vulgaris and Phyllostachys edulis. They are used as vegetables in numerous Asian dishes and broths. They are sold in various processed shapes and are available in fresh, dried, and canned versions. Raw bamboo shoots contain cyanogenic glycosides, natural toxins also contained in cassava. The toxins must be destroyed by thorough cooking, and for this reason, fresh bamboo shoots are boiled before being used in other ways. The toxins are also destroyed in the canning process. Most young bamboo shoots are edible after being boiled to remove toxins, but only around a hundred or so species are harvested regularly for edible shoots. These are usually from species that are also cultivated for other uses. These include:

Source: Wikipedia