Japanese name: ツルカメバソウ（蔓亀葉草） Scientific name:Trigonotis iinumae
A perennial 7–20 cm tall, growing in grassy places in the mountains and in moist places along mountain streams.
When the flower stems fall over, long runners emerge from the leaf axils.
The leaves are simple and alternate, ovate, 3–5 cm long and 1.5–2.5 cm wide, with a pointed tip and a heart-shaped to rounded base.
The leaves on the lower part of the stem have long petioles.
A raceme at the stem tip bears 7–10 flowers sparsely.
The inflorescence has no leaves.
The flowers are pale blue, about 1 cm across, and the corolla is 5-lobed.
The pedicels are 1–1.5 cm long.
The fruit is a schizocarp.
