
Image: Wikimedia Commons (See link for license)
Prickly Sow-thistle๐ผ
Sonchus asper
ใชใใใฒใท
An annual herb of the Asteraceae family native to Europe, naturalized throughout Japan. Its leaf spines are sharp, harder and more painful to touch than those of the related sow thistle.
Identification Points
- โ่็ธใฎใจใใ้ญใ็กฌใ
- โ่ใฎๅบ้จใฏ่ใๆฑใ่ณ็ถ
- โ้ป่ฒใ้ ญ่ฑ
Habitat
้ใฐใใป็ใป็ฉบใๅฐ๏ผๅธฐๅ๏ผ
Season
4ใ10ๆ๏ผ่ฑ๏ผ
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on SketchfabโMorphological TraitsAI-estimated, needs verification
Petal count
3 petals
Ovary position
Inferior
Stamen count
1-2
Phylogenetic Positionใญใฏ็ง โ
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Asterales > Asteraceae
Divergence Era
Late Cretaceous to Paleogene (approx. 80โ70 million years ago)
Sources & References
๐คClaude AI
AI-generated, needs verification