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Japanese Umbrella Pineπ²
Sciadopitys verticillata
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An evergreen tall tree endemic to Japan. Linear leaves are whorled at branch tips, creating a distinctive umbrella-like crown shape. Common around Mount Koya, its water-resistant timber has traditionally been used for boats and tubs.
Identification Points
- βLeaves linear, thick, and glossy, 20β30 whorled at branch tips
- βCones ovoid, 5β7 cm in diameter, taking 2 years to mature
- βBark reddish-brown, peeling in vertical strips
Habitat
Moist montane forests (Wakayama, Mie, Gifu, etc.), parks, and gardens
Season
Year-round (observation)
Morphological TraitsAI-estimated, needs verification
Growth form
Tree
Evergreen/Deciduous
Evergreen
Leaf arrangement
Whorled
Leaf shape
Linear
Habitat
Mountain
Leaf type
Simple
Venation
Parallel
Leaf margin
Entire
Petal fusion
No petals
Stipules
Absent
Ovary position
Superior
Plant sex
Monoecious
Phylogenetic Positionγ³γ¦γ€γγη§ β
Phylogenetic Position
Gymnosperms > Conifers > Pinales > Sciadopityaceae
Divergence Era
Mesozoic Cretaceous (approx. 140 million years ago onward)
Evolution Notes
Sciadopityaceae is a monotypic family endemic to Japan (1 genus, 1 species). Its closest living relatives are Cryptomeriaceae and Cupressaceae, making it a relict lineage dating back to the Mesozoic.
View on evolution timeline βSources & References
AI-generated, needs verification