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Wintersweet
Chimonanthus praecox
ロウバイ
A deciduous shrub native to China. In midwinter, it blooms with waxy yellow flowers on bare branches, emitting a strong sweet fragrance. Famous as a winter-flowering plant in parks and gardens.
Identification Points
- ✓Waxy, translucent yellow flowers bloom in winter (January–February)
- ✓Flowers have a strong sweet fragrance
- ✓Leaves opposite, oblong with a rough texture
Habitat
Parks, gardens, and temple grounds
Season
January–February (flowers)
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on Sketchfab→Morphological TraitsAI-estimated, needs verification
Growth form
Shrub
Evergreen/Deciduous
Deciduous
Leaf arrangement
Opposite
Leaf shape
Round
Flowering season
Winter
Leaf type
Simple
Venation
Pinnate
Leaf margin
Entire
Petal count
Many
Stipules
Absent
Leaf dissection
Undivided
Flower symmetry
Actinomorphic
Ovary position
Superior
Plant sex
Hermaphrodite
Phylogenetic Positionロウバイ科 →
Phylogenetic Position
Angiosperms > Magnoliids > Laurales > Calycanthaceae
Divergence Era
Late Cretaceous (ca. 90 Ma onwards)
Evolution Notes
Calycanthaceae is an ancient angiosperm lineage close to Magnoliales, retaining the primitive pollination mode of beetle pollination (cantharophily).
View on evolution timeline →Sources & References
AI-generated, needs verification