Ontology highlight
ABSTRACT:
SUBMITTER: Davis CC
PROVIDER: S-EPMC4000796 | biostudies-literature | 2014 Apr
REPOSITORIES: biostudies-literature
Davis Charles C CC Schaefer Hanno H Xi Zhenxiang Z Baum David A DA Donoghue Michael J MJ Harmon Luke J LJ
Proceedings of the National Academy of Sciences of the United States of America 20140404 16
Many major branches in the Tree of Life are marked by stereotyped body plans that have been maintained over long periods of time. One possible explanation for this stasis is that there are genetic or developmental constraints that restrict the origin of novel body plans. An alternative is that basic body plans are potentially quite labile, but are actively maintained by natural selection. We present evidence that the conserved floral morphology of a species-rich flowering plant clade, Malpighiac ...[more]