Arthrostylidium excelsumArthrostylidium excelsum is a species of Arthrostylidium bamboo in the grass family.SynonymThe synonym is Arundinaria ''excelsa.''DistributionArthrostylidium excelsum is commonly found in Mexico, Central America, and the West Indies.DescriptionArthrostylidium excelsum has a 2–3 mm diameter and can grow up to 100–500 cm long.