stem smut of wheat

例句：

1. 1. The stem of the tree is green and smooth.
   这棵树的茎是绿色的，光滑的。
2. 2. The stem of the plant grows from the base of the flower.
   植物的茎从花的底部生长出来。
3. 3. The stem of the plant is covered in leaves.
   植物的茎上长满了叶子。