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Plant Encyclopedia

Ajuga yesoensis var. tsukubana

Ajuga yesoensis var. tsukubana ("Tsukubakinmonso")

Japanese name: ツクバキンモンソウ (筑波金紋草)
Scientific name: Ajuga yesoensis var. tsukubana

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.

Details

Names
Japanese: ツクバキンモンソウ(筑波金紋草)
Life form
Perennial
Habit
Terrestrial
Similar plants
Flowering season
April, May, June
Distribution or origin
Japan (Honshu: Pacific side from southern Iwate southward, Shikoku, Kyushu: eastern Oita)
Height
50–150 mm
Leaf shape
Simple leaf (unlobed)
Leaf arrangement
Opposite
Leaf margin
Undulate, Serrate
Flower color
Pink, White
Leaf color
Green, Purple
Designated plants
Endemic to Japan

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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