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Thunberg Knotweed🌿
Persicaria thunbergii
ミゾソバ
An annual herb of the Polygonaceae family that forms colonies in wet areas and along water. Its leaves resemble a cow's forehead, giving rise to its alternative name 'ushi-no-hitai'.
Identification Points
- ✓葉は鉾形で「牛の額」に似る
- ✓茎に下向きのとげ
- ✓花は淡紅色〜白色の頭状花序
Habitat
本州・四国・九州の水辺・湿地・田の畦
Season
7〜10月（花）
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on Sketchfab→Morphological TraitsAI-estimated, needs verification
Leaf type
Simple
Venation
Pinnate
Petal fusion
Fused
Leaf dissection
Undivided
Flower symmetry
Actinomorphic
Ovary position
Superior
Phylogenetic Positionタデ科 →
Phylogenetic Position
Angiosperms > Eudicots > Caryophyllales > Polygonaceae
Divergence Era
Late Cretaceous to Paleogene
Sources & References
🤖Claude AI
AI-generated, needs verification