{"term":{"id":"14527","title":"cladogram","longtitle":"IUPAC Gold Book - cladogram","doi":"10.1351\/goldbook.14527","code":"14527","status":"current","synonym":"<em>synonyms<\/em>: evolutionary tree, phylogenetic tree","definitions":[{"id":1,"text":"Dendrogram illustrating the supposed evolutionary relationships between clades; a diagram showing cladistic relationships.","notes":{"1":"Cladograms are often based on such information as the number of differences in amino acids or nucleic acid bases in common proteins or genes, respectively. From estimated mutation rates, the evolutionary time can be estimated. Accordingly, cladograms have two components, branching order (showing group relationships) and branch length (showing extent of evolution)."},"sources":["PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 857 (https:\/\/doi.org\/10.1351\/PAC-REC-08-07-09)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/14527\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/14527\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/14527\/plain"},"citation":"Citation: 'cladogram' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.14527","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-06-20T01:23:54+00:00"}}