The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Ranunculus nipponicus is a Perennial
It is harvested from the wild for local use as a food.
Although no specific record of toxicity has been found for this plant, many if not all members of this genus are poisonous. These toxins can be destroyed by heat or by drying[
]. Many if not all plants in this genus also have a strongly acrid juice that can cause blistering to the skin[
E. Asia - Japan.
Water in mountains, C. Japan[
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in most parts of the country. It is an aquatic plant[
]. The following notes are based on the general needs of the genus.
Prefers a moist loamy soil[
A greedy plant, inhibiting the growth of nearby plants, especially legumes[
The whole plant is edible raw or cooked[
]. Some caution is advised, see the notes on toxicity above.
Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer.
Division in spring.