Bird cherry.

ゆきふかきかきねのむめのいかにしてなほうづもれぬかにはさくらん

yuki fukaki kakine no mume no ika ni shite nao uzumorenu ka ni wa sakuran

Deep with the snow is The plum blossom by my brushwood fence: O, what will become of it— Still buried Will its fragrance bloom forth?

The Former Kinugasa Minister of the Centre [Kinugasa no Ieyoshi 衣笠家良 (1192-1264)]
衣笠前内大臣