Japanese name: ツクバキンモンソウ(筑波金紋草) Scientific name:Ajuga yesoensis var. tsukubana
[Overview]
A perennial found in hills on the Pacific side.
The stems are tinged reddish purple, erect, and do not fall over even after flowering.
The leaves are opposite, and the 2–3 pairs of leaves on the lower part of the stem are scale-like.
The upper part of the stem bears several pairs of leaves, oblong to broadly ovate, 2–6 cm long and 1–3 cm wide, with wavy teeth.
The leaf surface is not glossy, the veins are tinged dark reddish purple, and the underside is tinged reddish purple.
The flowers are borne 2–6 at a time in the leaf axils on the upper part of the stem, and are pale pink to white.
The flowers are lipped, about 0.8–1 cm long.
The upper lip is very shallowly 2-lobed and erect, about 1 mm long and shorter than the stamens.
The lower lip is 3-lobed.
The fruit is a schizocarp.