noun
Trillium smallii; a species of trillium
A perennial woodland plant native to East Asia, with three-petaled flowers. The name 延齢草 literally means 'life-prolonging herb'.
エンレイソウは春に白い花を咲かせる。
Trillium smallii blooms with white flowers in spring.
山道でエンレイソウを見つけた。
I found a Trillium smallii along the mountain path.
The kanji 延齢草 literally means 'life-prolonging herb', likely from traditional medicinal associations. The exact derivation is uncertain.