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Notes on Ipomoea (Convolvulaceae) from Ecuador.

John R I Wood1,2, Pablo Muñoz-Rodríguez1,3, Tom Wells1

  • 1Department of Biology, University of Oxford, South Parks Road, Oxford, OX1 3RB U.K.

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|December 2, 2024
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Summary

This study re-interprets Ipomoea species in Ecuador, identifying four new species and clarifying distributions. A key is provided for all 57 recorded Ipomoea species in Ecuador.

Keywords:
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Area of Science:

  • Botany
  • Plant Taxonomy
  • Biodiversity Research

Background:

  • The genus Ipomoea (morning glories) is diverse, with many species found in South America.
  • Accurate identification and distribution mapping of plant species are crucial for conservation efforts.
  • Previous taxonomic treatments of Ipomoea in Ecuador may require revision based on new data.

Purpose of the Study:

  • To revise the taxonomy of Ipomoea species in Ecuador.
  • To describe new species and clarify the status of existing ones.
  • To provide a comprehensive identification key for Ipomoea in Ecuador.

Main Methods:

  • Fieldwork and collection of specimens.
  • Examination of herbarium specimens and photographic archives.
  • Molecular sequencing for phylogenetic analysis.
  • Morphological comparisons and detailed descriptions.

Main Results:

  • Four new Ipomoea species endemic to Ecuador are described: I. quitensis, I. ceronii, I. condorensis, and I. papyrifera.
  • Ipomoea ophiodes is confirmed as distinct from I. regnellii, with mapped distributions.
  • Ipomoea amazonica is recorded from Ecuador for the first time.
  • A key to 57 Ipomoea species in Ecuador is presented.

Conclusions:

  • The study clarifies the taxonomic status and distribution of several Ipomoea species in Ecuador.
  • The description of new endemic species highlights Ecuador's unique plant biodiversity.
  • The provided key will aid researchers and botanists in identifying Ipomoea species in the region.