Aroideana
Journal of the International Aroid Society, Inc.
Volume 31, Number 1 (2008); Pages 90-97
Twenty-million-year-old fruits and seeds of Pistia (Araceae) from central Europe
By Z. Kvacek and Josef Bogner     (Buy)

ABSTRACT:

First fossil fruits of Pistia (Araceae, Aroideae) are reported from the Early Miocene lignite in North Bohemia. They co-occur with dispersed seeds identified as Pistia sibirica Dorofeev, a morpho-species spread in the Late Oligocene and Early to Middle Miocene deposits of western Eurasia. These fruits remain different only in smaller size from those produced by Pistia stratiotes L., a pantropic floating aquatic aroid and the only extant species of the genus.

   

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