Polygoneae Tribe Phylogeny with 175 Plastome Accessions and Ancestral Area Reconstruction

175 plastome accessions representing 163 species across 21 genera of Polygonaceae were used to reconstruct the evolutionary history of the temperate tribe Polygoneae. The dataset, authored by Dong-Ling Cao and last updated in March 2026, supports molecular dating and ecological niche modeling analyses. It reveals an East Asian origin and late Oligocene to Miocene-Pliocene diversification phases linked to climatic and geological changes.

Use Cases

• Reconstructing phylogenetic relationships among Polygoneae genera based on plastome sequence data.
• Modeling ancestral geographic ranges and dispersal corridors based on species distribution data.
• Analyzing climatic niche shifts and trait evolution, such as woodiness, in response to aridity.
• Correlating lineage diversification timing with Cenozoic geological events like mountain uplift and monsoon intensification.

Strengths

• Includes 175 plastome accessions, providing a broad taxonomic sampling of 163 species.
• Phylogenetic analyses yielded a well-supported topology, resolving previously contentious relationships.
• Data supports multiple analytical methods, including molecular dating, ancestral area reconstruction, and ecological niche modeling.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset is very small (17.0 KB), indicating limited raw data scope, likely containing summary or supplementary tables.

Provenance

Source

Dong-Ling Cao via figshare.

Collection Method

Plastome phylogenomics from comprehensive sampling of Polygonaceae species.

Time Range

Evolutionary timeline from the late Oligocene (28–20 Ma) through the Miocene-Pliocene (8–3 Ma).

Freshness

Last updated 2026-03-18 06:58:32; freshness should be verified.

Geography

Primary focus on East Asia, with dispersals across the Northern Hemisphere, including Southwest China, Central Asia, and mountain corridors.