
Image: Wikimedia Commons (See link for license)
大島桜 Oshima Cherry🌸
Cerasus speciosa
オオシマザクラ
A deciduous tree of the Rosaceae family, a cherry species native to the Izu Islands. It is the parent of many ornamental cultivars including Somei-yoshino. Its leaves are used to wrap sakura-mochi.
Identification Points
- ✓花は白色〜淡紅色で大きく、葉と同時に開く
- ✓葉縁の鋸歯先端が芒状
- ✓葉や枝に毛がない
Habitat
伊豆諸島原産、本州各地に植栽
Season
3〜4月(花)
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on Sketchfab→Morphological TraitsAI-estimated, needs verification
Leaf arrangement
Alternate
Petal count
5 petals
Flower symmetry
Actinomorphic
Plant sex
Hermaphrodite
Stamen count
3-4
Phylogenetic Positionバラ科 →
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Rosales > Rosaceae
Divergence Era
Late Cretaceous (approx. 90 million years ago onward)
Sources & References
🤖Claude AI
AI-generated, needs verification