Valeriana flaccidissima ("Tsurukanokoso")

Japanese name: ツルカノコソウ （蔓鹿子草）
Scientific name: Valeriana flaccidissima

[Overview]
A perennial 20–40 cm tall, found in the shade of trees in the mountains.
The stem is soft, and after flowering it sends out slender runners.
The leaves are opposite and pinnately divided to the base, consisting of 3–7 lobes.
The margins of the lobes have wavy serrations.
Many flowers are borne in corymbs at the stem tips.
The corolla is 5-lobed, white or tinged with pale pink.
The inflorescence bears linear bracts.
The fruit is an achene with a white pappus.

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