a prostrate,mat-forming annual plant(Mollugo verticillata) widespread as a weed throughout North America and having whorled leaves and small,greenish-white flowers
英
美
- 轮生粟米草,一种(轮生粟米草粟米草属)属匍匐的、可做草席的一年生杂草,广泛分布在北美洲,生有轮生叶和细小的绿白色花