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Image: Wikimedia Commons (See link for license)
Japanese Cedar🌲
Cryptomeria japonica
スギ
An evergreen conifer endemic to Japan. Dominates much of Japan's mountain forests and is well known as a major cause of hay fever (pollinosis). Its lightweight, easy-to-work timber is highly valued for construction and woodworking.
Identification Points
- ✓Needle-like leaves spirally arranged and appressed to the shoot
- ✓Bark is reddish-brown and peels in fibrous vertical strips
- ✓Cones are globular with pointed scale tips
- ✓Trunk grows straight and upright
Habitat
Mountain forests, plantation forests
Season
Year-round
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on Sketchfab→Morphological TraitsAI-estimated, needs verification
Leaf arrangement
Alternate
Leaf type
Simple
Venation
Pinnate
Leaf dissection
Dissected
Leaf shape
Needle
Growth form
Tree
Evergreen/Deciduous
Evergreen
Leaf margin
Entire
Petal fusion
No petals
Stipules
Absent
Ovary position
Superior
Aromatic
Aromatic
Phylogenetic Positionヒノキ科 →
Phylogenetic Position
Gymnosperms > Pinopsida > Pinales > Cupressaceae
Divergence Era
Triassic (approx. 230 million years ago onward)
Evolution Notes
Conifers (gymnosperms) thrived during the Mesozoic Era. The genus Cryptomeria has a disjunct distribution between Japan and China.
View on evolution timeline →Sources & References
AI-generated, needs verification