Japanese painted fern; Athyrium niponicum
A fern species native to East Asia, often cultivated for its ornamental foliage. The name literally means 'dog bracken'.
I planted a Japanese painted fern in a shady spot in the garden.
Japanese painted ferns prefer moist locations.
Usually written in katakana; the kanji form 犬蕨 is rare.
Kanji spelling is uncommon; the katakana form is standard.
Compound of 犬 (inu, 'dog') + 蕨 (warabi, 'bracken'), likely referring to a non-edible or inferior bracken-like fern.