< Dichotomous Key
1: Trees or erect or ascending shrubs, 1 meter or more high.
- 2: Extant (not extinct)...........................................................................Pinales
- 2: Produces cones or arils.....................................................................Pinales
- 2: Late Carboniferous, Dutch-Belgian-German Coal area; long, strap-shaped
- leaves (up to 80 cm in length), parallel venation; grew in coastal environments as
- swamp plants and in cool temperate forests of Angaraland.......................Cordaitales
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