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'.
道端にコメツブウマゴヤシがたくさん咲いていた。
A lot of black medic was blooming by the roadside.
Standard katakana spelling for this plant name.
Kanji spelling is rare; the plant name is almost always written in katakana.
Compound of 米粒 (こめつぶ, 'rice grain') + 馬肥やし (うまごやし, 'alfalfa, clover-like fodder plant'), referring to the small, grain-like seeds and its use as forage.