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Drymonia croatii (Gesneriaceae), a new species from the Pacific slopes of the Colombian Andes

  • Laura ClavijoEmail author
  • Alejandro Zuluaga
  • John L. Clark
Article
  • 54 Downloads

Abstract

Drymonia croatii, a new species of Gesneriaceae from the Pacific slopes of the Colombian Andes (department of Valle del Cauca) is described and illustrated. Drymonia croatii is similar to D. ovatifolia and D. foliacea; it is differentiated by the following characters: indument on stem and leaves composed of a combination of simple (septate and non-septate) and glandular hairs; peltate glandular hairs on the abaxial surfaces of leaf blades, inflorescence bracts and calyx; corolla tube white with purple veins outside and a yellow ventral canal inside, basal third of the corolla tube narrow, corolla lobes purple with fimbriate margins; and a fleshy capsule with reflexed valves that are light yellow with brown dots adaxially.

Keywords

Andes Drymonia Colombia Columneinae taxonomy 

Resumen

Se describe e ilustra Drymonia croatii, una nueva especie de Gesneriaceae de la vertiente pacífica de los Andes Colombianos (departamento del Valle del Cauca). Drymonia croatii es similar a D. ovatifolia y D. foliacea pero se puede diferenciar por medio de los siguientes caracteres: indumento del tallo y las hojas compuesto de tricomas simples (septados y no septados) y tricomas glandulares; tricomas glandulares peltados sobre las superficies abaxiales de la lámina, las brácteas de la inflorescencia y el cáliz; tubo de la corola blanco con venas moradas por fuera y un canal ventral amarillo por dentro, tercio basal de la corola estrecho, lóbulos de la corola morados fuertemente fimbriados; y cápsula carnosa con dos valvas reflexas amarillas claras con puntos adaxialmente.

Notes

Acknowledgments

We thank Carlos Parra, Marisol Amaya, and Julio Betancur from the Herbario Nacional Colombiano (COL), and Alba Marina Torres from the Herbario Universidad del Valle (CUVC) for facilitating the processing of the collections and providing access to the herbarium specimens. We also thank Mathieu Perret, Martin Llano, Juan Felipe Ortega and the image laboratory at the Biology graduate program at Universidad del Valle for providing images. We are grateful to Steve Ginzbarg for information about important morphological characters of Drymonia ovatifolia, and to two anonymous reviewers who greatly helped to improve this manuscript. The type specimens were collected during expeditions funded by the National Science Foundation (DEB-841958 and DEB-0949169) to JLC.

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Copyright information

© The New York Botanical Garden 2019

Authors and Affiliations

  1. 1.Grupo de Investigación Ecología y Diversidad VegetalUniversidad del ValleCaliColombia
  2. 2.Departamento de Biología, Facultad de CienciasUniversidad del ValleCaliColombia
  3. 3.Science DepartmentLawrenceville SchoolLawrencevilleUSA
  4. 4.Department of Biological SciencesThe University of AlabamaTuscaloosaUSA

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