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.
Indigofera pseudotinctoria produces small pink flowers in summer.
A lot of Indigofera pseudotinctoria grows on the embankments around here.
Kanji spelling; the plant name is usually written in kana.
Abbreviated kanji spelling; rarely used.
From 駒 (こま, 'foal') + 繋ぎ (つなぎ, 'tether'), literally 'foal tether', from the traditional use of the plant to tie horses.