noun
Indigofera pseudotinctoria (species of legume)
A shrub in the pea family, native to East Asia. The name literally means 'foal tether', as the plant was supposedly used to tie horses.
コマツナギは夏に小さなピンクの花を咲かせます。
Indigofera pseudotinctoria produces small pink flowers in summer.
この辺りの土手にはコマツナギがたくさん生えている。
A lot of Indigofera pseudotinctoria grows on the embankments around here.
Indigofera tinctoria, a related species used for indigo dye; コマツナギ is a different species not typically used for dye.
From 駒 (こま, 'foal') + 繋ぎ (つなぎ, 'tether'), literally 'foal tether', from the traditional use of the plant to tie horses.