Species in the genus Potentilla:

Potentilla dickinsii / Iwakinbai イワキンバイ

Potentilla dickinsii is a perennial herb inhabiting rocks, occasionally trunks, in mountainous regions. Leaves comprise three to five leaflets, each measuring 2-5cm in length; its backsides are milky white with adpressed hairs. Branch tops setting yellow 5-petaled approximately 1cm-in-diameter flowers in cymose inflorescences. In receptacles, dense white hairs are observable. Bloom time: June-July.