What does phylogenetic mean?
Phylogenetic describes something connected with the evolutionary history and branching relationships of organisms or groups of organisms. In biology, phylogenetic classification organizes life according to common ancestry rather than merely superficial similarities. A phylogenetic tree therefore represents a history of descent, with branches indicating lineages that diverged at particular points in the remote past. The adjective is also used more broadly for the development of languages, cultures, or other changing systems when their lines of descent and transformation are being examined. Phylogenetic research commonly draws on genetic, anatomical, fossil, and behavioral evidence to infer these relationships. Because the word belongs primarily to specialist scientific vocabulary, its use usually signals attention to ancestry and historical development rather than simply to present-day appearance.
adjectiveRelating to the evolutionary development and relationships of organisms or groups of organisms. It may also refer to the development or branching of a group over time.
- Relating to the evolutionary history, development, and branching relationships of organisms or groups of organisms.
- Relating to the descent or origin of a group within a larger lineage.
"The museum's new display traces the phylogenetic relationships among several species of songbirds."
"Researchers used genetic data to reconstruct the phylogenetic history of the whale family."
"The chapter discusses the phylogenetic roots of several closely related plant species."
A phylogenetic tree is a family tree for species: it maps how different branches of life diverged through evolution.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does phylogenetic come from?
The word was formed in the 19th century from the combining form phylo-, meaning 'race' or 'kind', together with genetic, referring to origin or descent. It belongs to a family of English terms based on Greek phylon, 'race' or 'kind', and phylē, 'tribe' or 'stock'. The related noun phylogeny denotes the evolutionary history of a group, while the adjective phyletic refers more broadly to its ancestral characteristics. Biological usage of phylogeny developed during the 19th century alongside the study of evolutionary classification.
Related word forms
How phylogenetic is actually used
The term is technical and most common in biology, systematics, anthropology, and related fields. It describes evolutionary relationships or history rather than physical function, which is the concern of physiology.