quinquevalve

例句：

1. 1.The quinquevalve of the flower is a symbol of love and beauty.
   花朵的五瓣花阀象征着爱与美丽。
2. 2. The quinquevalve of the plant is an important part of its growth and development.
   植物的五瓣花阀是其生长和发育的重要部分。
3. 3. The quinquevalve of the flower is a symbol of life and renewal.
   花朵的五瓣花阀象征着生命和更新。