The Soft windflower (Anemone flaccida) belongs to Ranunculaceae (the Buttercup family). It is a perennial herb that is distributed throughout Japan, as well as the Korean Peninsula, north-east China and Sakhalin. This herb grows in grasslands or deciduous forests and can reach 15-25 cm in height. The basal leaves are divided into 3 lobes, further out divided into 2 segments. The cauline leaves are sessile and 3 whorled. The pretty white flowers come in April to May. It usually bears 2 flowers, sometimes solitary or 3 flowers. The sepals look like petals. The terrestrial is blighted and diapause after flowring. Also called "fukubera" in Hokkaido and Tohoku regions, the young shoots are edible. In Chinese, it is called "鵝掌草" (e zhang cao).
The 86th and 87th photos show greening "Soft windflower". The cause of this greening is still unknown, but it is thought to be either a disease or a genetic factor.