noun
golden-rayed lily; Lilium auratum
A large, fragrant lily native to Japan, often found in mountainous areas. The scientific name is Lilium auratum.
ヤマユリは夏に大きな白い花を咲かせる。
The golden-rayed lily blooms large white flowers in summer.
山でヤマユリを見つけた。
I found a golden-rayed lily in the mountains.
ユリ is the general term for lilies, while ヤマユリ refers specifically to the golden-rayed lily (Lilium auratum).
Compound of 山 (yama, 'mountain') and 百合 (yuri, 'lily'), referring to its natural habitat.