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Manchurian Elm
Ulmus laciniata
オヒョウ
A deciduous tree in the elm family, distributed from Hokkaidō and northern Honshū through the Korean peninsula, Northeast China, and eastern Siberia. Distinguished from other elms by the leaf tip splitting into 3–7 shallow lobes. The inner-bark fibre is the traditional material for the Ainu 'attus' bark-fibre robe, still produced as a craft. The wood is used for timber and implements. Winged samaras appear in spring before the leaves expand.
Identification Points
- ✓Leaf tip splits into 3–7 shallow lobes
- ✓Inner-bark fibre used for Ainu attus cloth
- ✓Winged samaras before leaf-out in spring
Habitat
Mountains (moist valleys)
Season
April (flowers); May (fruit)
Morphological TraitsAI-estimated, needs verification
Leaf arrangement
Alternate
Leaf type
Simple
Venation
Pinnate
Leaf margin
Serrate
Leaf shape
Ovate
Growth form
Tree
Evergreen/Deciduous
Deciduous
Habitat
Mountain
Phylogenetic Positionニレ科 →
Phylogenetic Position
Angiosperms > Eudicots > Rosales > Ulmaceae
Divergence Era
Late Cretaceous to Paleogene
Sources & References
AI-generated, needs verification