Image: Wikimedia Commons (See link for license)
Marsh Marigold🌸
Caltha palustris
リュウキンカ
A perennial herb of the Ranunculaceae family that grows in wetlands and along streams. It produces brilliant yellow flowers in early spring.
Identification Points
- ✓花は鮮黄色で5〜7枚の萼片
- ✓葉は心形で光沢
- ✓湿地や沢沿いに生える
Habitat
本州・九州の山地の湿地・沢沿い
Season
4〜7月（花）
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on Sketchfab→Morphological TraitsAI-estimated, needs verification
Petal fusion
Free
Ovary position
Superior
Stamen count
3-4
Phylogenetic Positionキンポウゲ科 →
Phylogenetic Position
Angiosperms > Basal eudicots > Ranunculales > Ranunculaceae
Divergence Era
Late Cretaceous (approx. 90–80 million years ago)
Sources & References
🤖Claude AI
AI-generated, needs verification