In 1969, scientists discovered fossilized remains of a plant in Utah, USA. Since then, researchers have tried to identify the ...

Pictured is the fossil plant species Othniophyton elongatum. The prehistoric species does not coincide with any surviving plant family, according to new research.

World checklist and bibliography of Araliaceae / David G. Frodin and Rafaël Govaerts ; (with contributions from Hans-Jürgen Esser, Porter P. Lowry, and Jun Wen) Smithsonian Libraries and Archives.

As currently circumscribed, Polyscias is the second largest genus in Araliaceae, with ca. 150 species, and is found throughout much of the Old World tropics. Recent studies have shown that the genus ...