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- Title
FOSSIL ARACEAE FROM A PALEOCENE NEOTROPICAL RAINFOREST IN COLOMBIA.
- Authors
Herrera, Fabiany A.; Jaramillo, Carlos A.; Dilcher, David L.; Wing, Scott L.; Gómez, Carolina
- Abstract
Both the fossil record and molecular data support a long evolutionary history for the Araceae. Although the family is diverse in tropical America today, most araceous fossils, however, have been recorded from middle and high latitudes. Here, we report fossil leaves of Araceae from the middle-late Paleocene of northern Colombia, and review fossil araceous pollen grains from the same interval. Two of the fossil leaf species are placed in the new fossil niorphogenus Petrocardiuin Herrera, Jaramillo, Dilcher, \Ving et Gomez-N gen. nov.; these fossils are very similar in leaf morphology to extant Anthuriiun; however, their relationship to the genus is still unresolved. A third fossil leaf type from Cerrejón is recognized as a species of the extant genus Montrichardia, the first fossil record for this genus. These fossils inhabited a coastal rainforest -60-58 million years ago with broadly similar habitat preferences to modern Araceae.
- Subjects
COLOMBIA; ARACEAE; FOSSILS; RAIN forests; HABITATS; FOSSIL leaves
- Publication
American Journal of Botany, 2008, Vol 95, Issue 12, p1569
- ISSN
0002-9122
- Publication type
Article
- DOI
10.3732/ajb.0800172