The term BAMBOO STEM is composed of four crossword solutions: CANE (4 letters), CULM (4 letters), PANDA (5 letters), and PANDAS (6 letters). CANE is a hard, hollow stem of a plant, such as bamboo, used for walking sticks or as a support for climbing plants. CULM is the technical term for the stem of a grass or other monocotyledonous plant. PANDA is a large black-and-white mammal native to central and eastern China. PANDAS is an acronym for Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infections, a condition in which a child's immune system attacks healthy cells in the brain. REED is a tall, slender-leaved plant of the grass family, often growing in water. All of these terms are related to bamboo, a giant woody grass that is native to warm and humid climates and is widely cultivated in East Asia.