Tsukada davidiifolia
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.
| Tsukada davidiifolia | |
|---|---|
| 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 |
| Binomial name | |
| †Tsukada davidiifolia Wolfe & Wehr | |
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