Aquilegia buergeriana var. buergeriana ("Yamaodamaki")

Japanese name: ヤマオダマキ （山苧環）
Scientific name: Aquilegia buergeriana var. buergeriana

[Overview]
A perennial up to about 120 cm tall, found in mountain grasslands.
It has a thick, sturdy rhizome.
The stem branches freely in the upper part.
There are two kinds of leaves: basal leaves and stem leaves.
The basal leaves are twice-ternately compound, 2–12 cm in both length and width, and 2–5 appear.
The leaflets are ovate-rhombic and 3-lobed, with large rounded serrations on the edges.
The basal leaves have petioles 3.5–35 cm long.
Two to four stem leaves are borne alternately; they are 0.5–12 cm long and 1–15 cm wide, and usually 3-lobed.
The undersides of the leaves are tinged with white.
A raceme at the tip of the stem usually bears 3–5 flowers hanging downward.
The flowers are 3–3.5 cm across.
The flowers have a distinctive shape: 5 purplish-brown, petal-like sepals spread open, and the yellow petals gather in the center in a tube.
The lower half of each petal forms a slender, pouch-like spur that extends long behind the flower from between the sepals, and the lower half is purplish brown.
Nectar collects inside the spur.
The fruit is a follicle.

[Cultivation]
Propagate from seed or by division.
For division, separate by hand the parts where the rhizome has naturally split.
It prefers a sunny, well-drained place.
It may weaken in the direct sunlight of midsummer, so in summer it is good to move potted plants to bright shade with good air circulation, and to plant those in the ground where they will be in the shade of deciduous trees.
For potted plants, water thoroughly when the soil surface dries; for plants in the ground, rainfall is sufficient unless sunny weather continues and the soil becomes severely dry.
If base fertilizer is applied, almost no further fertilizer is needed, but for potted plants liquid fertilizer may be given once every 2 weeks during flowering.
Pests and diseases include soft rot, powdery mildew, aphids, spider mites, cutworms and slugs.

[Notes]
The Japanese name compares the shape of the flower to an odamaki (a spool wound with spun hemp thread).

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