square bamboo; Tetragonocalamus quadrangularis; Chimonobambusa quadrangularis
A species of bamboo with distinctive square-shaped stems. The Japanese name literally means 'four-direction bamboo'. Used in botanical and horticultural contexts.
As its name suggests, the square bamboo is an unusual bamboo whose stem cross-section is square.
庭に四方竹を植えてみました。
I planted some square bamboo in my garden.