Image: Wikimedia Commons (See link for license)
Cottonweed🌼
Pseudognaphalium affine
ハハコグサ
A biennial herb of the Asteraceae family, known as gogyo, one of the seven spring herbs. It is covered with white woolly hairs and bears yellow flower heads in corymbs.
Identification Points
- ✓全体が白い綿毛に覆われる
- ✓葉はへら形で互生
- ✓黄色い小頭花が散房状
Habitat
本州・四国・九州の田畑・道ばた
Season
4〜6月（花）
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on Sketchfab→Morphological TraitsAI-estimated, needs verification
Petal count
3 petals
Ovary position
Inferior
Stamen count
1-2
Phylogenetic Positionキク科 →
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Asterales > Asteraceae
Divergence Era
Late Cretaceous to Paleogene (approx. 80–70 million years ago)
Sources & References
🤖Claude AI
AI-generated, needs verification