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Yuzu🍊
Citrus junos
ユズ
An evergreen small tree of the Rutaceae family long cultivated in Japan. The fruit is highly acidic, and its aromatic rind is especially prized. The custom of adding yuzu to the bath at the winter solstice is deeply rooted, making it one of Japan's most representative citrus.
Identification Points
- ✓Petiole has well-developed wings (a Rutaceae characteristic)
- ✓Fruit surface is bumpy and extremely aromatic
- ✓Branches bear long thorns
Habitat
Fields, gardens, and satoyama (rural woodlands)
Season
November–December (fruit)
Morphological TraitsAI-estimated, needs verification
Growth form
Tree
Evergreen/Deciduous
Evergreen
Habitat
Cultivated
Venation
Pinnate
Petal fusion
Fused
Flower symmetry
Actinomorphic
Aromatic
Aromatic
Phylogenetic Positionミカン科 →
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Sapindales > Rutaceae
Divergence Era
Late Cretaceous to Paleogene (ca. 85–70 million years ago)
Evolution Notes
The Rutaceae originated in the Cretaceous; diversification of essential oil compounds promoted coevolution with insects and animals.
View on evolution timeline →Sources & References
AI-generated, needs verification