Urvillea Phylogeny and Stem Vascular Ontogeny Data

A molecular phylogeny of the plant genus Urvillea derived from 11 genetic markers using maximum likelihood and Bayesian approaches. The dataset combines phylogenetic reconstruction with stochastic character mapping to assess evolutionary changes in five distinct stem ontogenies, determined from developmental anatomy of field-collected, herbarium, and wood collection samples. The research was conducted by Israel L. Cunha Neto of Cornell University.

Use Cases

• Reconstructing phylogenetic relationships within the tribe Paullinieae based on 11 molecular markers.
• Mapping the evolutionary history of stem vascular variants, such as lobed stems and phloem wedges, using stochastic character mapping.
• Analyzing correlations between stem ontogeny and plant habit, such as the reversal to regular anatomy in non-climbing species.

Strengths

• Phylogenetic reconstruction is based on 11 molecular markers, providing a multi-locus genetic foundation.
• Anatomical data encompasses five distinct stem ontogenies, including a regular anatomy and four vascular variants.
• Sample sources include field collections, herbarium specimens, and wood collections, offering multiple lines of evidence.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Israel L. Cunha Neto, Cornell University

Collection Method

Molecular phylogeny derived from 11 markers, combined with developmental anatomy from field, herbarium, and wood collections.