Japanese name: ツタバウンラン(蔦葉海蘭) Scientific name:Cymbalaria muralis
[Overview]
A perennial.
The stems are slender, often tinged with purple, creep along the ground, root at the nodes, and extend to about 1 m long.
Leaves are alternate, round to kidney-shaped, shallowly palmately divided into 5–7 lobes, and glossy on the upper surface.
They have long leaf stalks.
The flowers are borne singly in the leaf axils; they are two-lipped, about 0.8 cm long, white to pale purple with dark purple lines.
The upper lip is divided into 2 lobes and stands upright, and the throat of the lower lip has 2 yellow spots.
There is a short spur behind the flower.
The flower stalk is long.
The fruit is spherical.
[History]
Plants introduced as ornamentals in the Taisho period have become wild.
[Cultivation]
Propagate from seed or by stem cuttings.
It prefers sun to partial shade and well-drained soil.
Avoid strong direct sunlight.
If the environment suits it, it grows well even when left alone.
For potted plants, water thoroughly when the soil surface dries; for plants in the ground, rainfall is sufficient.
Fertilizer is not particularly necessary.
There are no particular pests or diseases.