noun
winter peony; tree peony
Refers to the tree peony (Paeonia suffruticosa) that blooms in winter, often protected by straw covers in Japanese gardens.
冬牡丹は雪の中で美しく咲いている。
The winter peonies are blooming beautifully in the snow.
Compound of 冬 (fuyu, 'winter') and 牡丹 (botan, 'peony').