stemminess

例句：

1. 1.The stemness of the plant is a crucial factor in its growth.
   植物的茎干是其生长的关键因素。
2. 2. The stemness of the soil affects the growth of the plants.
   土壤的茎干影响植物的生长。
3. 3. The stemness of the tree indicates its age and health.
   树的茎干表示其年龄和健康状况。