PO:0000041 epidermal cork cell One of the two types of short cells in the epidermis of grasses and bamboos. It is usually paired with silica cell. PMID 21423772 dcd1 MaizeGDB 274903 PO:0004009 silica cell Cells with deposits of silica in them. One of the two types of short cells in the epidermis of grasses and bamboos. It is usually paired with epidermal cork cell. PMID 21423772 dcd1 MaizeGDB 274903