Japanese name: モミジバヒメオドリコソウ（紅葉葉姫踊子草） Scientific name:Lamium dissectum
[Overview]
A biennial 10–30 cm tall, found along roadsides and in fields.
The stem is erect or rises obliquely, branches at the base, and is square in cross section.
The leaves are opposite, broadly ovate, and irregularly lobed, with lobes of varying depth.
The leaf surface is netted with depressions, so it looks crinkled, and both surfaces are sparsely hairy.
The leaves on the lower part of the stem have long petioles.
The flowers are pale reddish purple and grow several at a time in the axils of the upper leaves.
The corolla is a lipped flower 1.5 cm long, hairy on the outside.
The calyx is hairy.
The fruit is a schizocarp.
[History]
It was first recorded in Yokohama in 1992 and has since naturalized in various places.
It is thought to be of hybrid origin between Hotokenoza and Hime-odorikoso, or a variant of Hime-odorikoso.
