Open AccessPaleoceneIpomoea(Convolvulaceae) from India with implications for an East Gondwana origin of Convolvulaceae
Author(s) -
Gaurav Srivastava,
R.C. Mehrotra,
David L. Dilcher
Publication year - 2018
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.1800626115
Subject(s) - convolvulaceae , gondwana , ipomoea , botany , biology , paleontology , structural basin
Significance The origin of the worldwide-distributed morning glory family (Convolvulaceae) has been a matter of debate. The fossil record from late Eocene sediments of North America argues for a Laurasian origin that is in contrast to a molecular phylogenetic study that favors an East Gondwana origin. This report of fossilIpomoea from the late Paleocene of India supports the current molecular phylogenetic conclusions of an East Gondwana origin for Convolvulaceae.
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