Clematis stans (a species of buttercup)
A perennial herb native to Japan, with pale purple flowers. The name literally means 'grass peony'.
クサボタンは山地の林縁に生える多年草です。
Clematis stans is a perennial that grows at the edges of mountain forests.
秋にクサボタンの淡い紫色の花が咲きます。
In autumn, the pale purple flowers of Clematis stans bloom.
Katakana spelling is standard for this plant name; usually written in kana.
Kanji form is rare; the plant is almost always written in kana.
The name クサボタン (草牡丹) literally means 'grass peony', referring to the plant's resemblance to a peony but with herbaceous stems.