コメツブウマゴヤシ

noun

black medic; black hay; black nonsuch; blackweed

A small leguminous plant (Medicago lupulina) with yellow flowers, often found in lawns and roadsides. The Japanese name literally means 'rice-grain horse-fodder'.

• 道みち端ばたにコメツブウマゴヤシがたくさん咲さいていた。

  A lot of black medic was blooming by the roadside.