Thunberg meadowsweet
Spiraea thunbergii Sieb. ex Blum [Rosaceae]
Yukiyanagi (ユキヤナギ, 雪柳)
Lifeform: small deciduous shrub < 2 m high
Distribution: China - southern Japan (exotic to Hokkaido assigned in Blue List)
Original habitat: sunny rocky surface
Cultivars: many
Spiraea thunbergii in Hokkaido (transplanted)
[Left/Top] a shrub patch. [Right/Top] leaves and flowers. [Left/Bottom] close-up of flowers. In a post-mined peatland, Sarobetsu mire, northern Japan, on July 5 2006. [Right/Bottom] a shrub in the front of Faculty of Engineer, Hokkaido Univ., on May 26 2011.