What are the cylindrical stems of cereals called?

Answer: straw.
The representatives of the cereal family can be easily recognized by examining the structure of the stem. For most plants, this is a straw-stem. Such a stem is hollow in the internodes, and in the nodes it is filled with tissue. Stem nodes of cereal plants are well pronounced. At the base of internodes there are cells that, by their division, provide growth.



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