aAmphigeanExtending over all the zones, from the tropics to the polar zones inclusive.
Century Dictionary and Cyclopedia
amphigeanExtending around the earth: in botany, applied to genera or species that are found around the globe in approximately the same latitude.
amphigean[capitalized] [⟨ NL. Amphigæa + -an.] In zoögeog., a term applied to the temperate South American realm as one of the prime zoölogical divisions of the earth's land-surface, with reference to its equivocal or ambiguous zoölogical character. Together with the Dendrogean or tropical American realm, it composes the Neotropical region of Sclater.
amphigeanIn botany, bearing flowers from a rootstock.