(culm)是禾本科莎草科的地上莖。

一簇秀貴甘蔗的稈

禾本科的稈有明顯的節與節間,節間常中空,少數為實心;而莎草科的稈無節與節間之分,多為實心或部分空心,剖面通常呈三角形,少數呈多角形。



埃塞俄比亞居民用稈來蓋屋頂

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