Potentilla ancistrifolia var. dickinsii("Iwakinbai")
Japanese name: イワキンバイ(岩金梅) Scientific name:Potentilla ancistrifolia var. dickinsii
[Overview]
A perennial 5–20 cm tall, found on dry rocky ground in the mountains.
It has a short rhizome.
It does not produce stolons.
The leaves are ternate compound, or pinnately compound with 4–5 leaflets when small leaflets are added in the lower part.
The leaflets are obovate to elliptic, 1.5–4 cm long and 1.5–3 cm wide, somewhat leathery, powdery white on the underside, with tooth-like serrations along the margin.
The petiole is 1–7 cm long, and there are lanceolate stipules at its base.
Cymes at the stem tips bear 2–12 flowers 1 cm across.
The flowers are yellow with 5 petals, and the petal tips are slightly notched.
The flowers have a calyx and an epicalyx.
The fruit is an achene 2 mm long.
[Cultivation]
Propagate from seed or by division.
It prefers sunny, well-drained soil.
For potted plants, water thoroughly when the soil surface dries; for plants in the ground, rainfall is sufficient.
In spring and autumn, apply slow-release fertilizer placed on the soil.
There are no particular pests or diseases.