pedunculus

例句：

1. 1. The plant has a slender stem that reaches up to the sky.
   这植物有一根细长的茎，可以伸到天空。
2. 2. The peduncle of the flower is the part thatholds the petals together.
   花的茎是连接花瓣的部分。
3. 3. The peduncle of the plant is the part thatsupports the leaves and flowers.
   植物的茎是支撑叶子和花朵的部分。