noun
Omphalodes japonica; Japanese navelwort
A flowering plant in the borage family, native to Japan. Botanical name Omphalodes japonica.
ヤマルリソウは春に小さな青い花を咲かせる。
Omphalodes japonica blooms small blue flowers in spring.
From 山 (yama, 'mountain') + 瑠璃草 (rurisō, 'Omphalodes'). The kanji 瑠璃 (ruri) refers to lapis lazuli, describing the blue flowers.