noun
citron daylily; long yellow daylily
A species of daylily (Hemerocallis citrina) with fragrant yellow flowers that bloom in the evening. The name literally means 'evening sedge'.
ユウスゲは夕方に咲く黄色い花です。
The citron daylily is a yellow flower that blooms in the evening.
庭にユウスゲを植えました。
I planted citron daylilies in the garden.