bulrush
名词 bulrush:
tall marsh plant with cylindrical seed heads that explode when mature shedding large quantities of down; its long flat leaves are used for making mats and chair seats; of North America, Europe, Asia and North Africa
同义词:cat's-tail, bullrush, nailrod, reed mace, reedmace, Typha latifolia
tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America