Triodanis biflora (small Venus' looking-glass, "Hinakikyoso")

Japanese name: ヒナキキョウソウ （雛桔梗草）
Scientific name: Triodanis biflora

[Overview]
An annual about 40 cm tall.
The stem is erect and not much branched.
Leaves are simple and alternate, ovate, with low teeth on the margin.
The leaf base does not clasp the stem.
The flowers are solitary in the leaf axils, star-shaped, purple and about 0.5 cm across, but many of them are cleistogamous.
The fruit is a cylindrical capsule.

[History]
Naturalization was confirmed in Yokohama in 1931, and it has naturalized in the Kanto region and areas to the west.

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