Tsukada davidiifolia | |
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T. davidiifolia fossil leaf | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Cornales |
Family: | Nyssaceae |
Genus: | †Tsukada Wolfe & Wehr |
Species: | †T. davidiifolia
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Binomial name | |
†Tsukada davidiifolia Wolfe & Wehr
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Tsukada is an extinct genus of flowering plant in the family Nyssaceae related to the modern "dove-tree", Davidia involucrata, containing the single species Tsukada davidiifolia. The genus is known from fossil leaves found in the early Eocene deposits of northern Washington state, United States and a similar aged formation in British Columbia, Canada.