Japanese name: トゲミノキツネノボタン（刺実狐牡丹） Scientific name:Ranunculus muricatus
[Overview]
A perennial 15–50 cm tall, found in slightly moist places such as fields, roadsides and the banks between rice paddies.
The stem branches sparsely from the base.
There are basal leaves and stem leaves, both 3-lobed with irregular teeth on the margins.
The basal leaves and the leaves on the lower part of the stem have long petioles.
The leaves on the upper part of the stem are alternate and have short petioles.
The flowers are solitary in the leaf axils on the upper part of the stem and have long flower stalks.
The flowers are yellow and 5-petaled, about 1.5 cm across.
The sepals bend back at flowering.
The fruit is an aggregate of about 20 achenes.
The achenes are 6 mm long and flattened, with many spiny projections on the sides.
