Crown of Venezuelan paramos: A new species from the daisy family, Coespeletia palustris

Nov 07, 2013
This shows the beautiful inflorescence of Coespeletia palustris. Credit: Luis "Kike" Gámez

A joint research led by the Smithsonian Institution (US), Saint Louis University (US) and Universidad de Los Andes (Venezuela) resulted in the discovery of an exciting new species from the daisy family. The two expeditions in the paramos high up in the Venezuelan Andes were crowned by the discovery of the beautiful and extraordinary, Coespeletia palustris. The study was published in the open access journal Phytokeys.

The of the genus Coespeletia are typical for high elevations and six of seven described species in total are endemic to the heights of the Venezuelan Andes; the 7th species comes from northern Colombia, but needs further revision according to the authors of the study. Most of the species are restricted to very high elevations, in a range between 3800–4800 m. The specifics of such habitat are believed to be the reason behind the peculiar and unrepeated pollen characteristics of the genus.

This Coespeletia palustris, is found in a few marshy areas of the paramo, and is endemic to the Venezuelan Andes. Páramo can refer to a variety of alpine tundra ecosystems, and is often described with its geographical confinements in the Andes. The páramo is the ecosystem of the regions above the continuous forest line, yet below the permanent snowline.

This is the new species, Coespeletia palustris, in a typical marshy habitat. Credit: Mauricio Diazgranados

"Even after decades of studies and collections in the paramos, numerous localities remain unstudied." Explains Dr. Mauricio Diazgranados. "The new species described in this paper is called "palustris" because of the marshy habitat in which it grows. High elevation marshes and wetlands are among the ecosystems which are most impacted by climate change. Therefore this species may be at a certain risk of extinction as well."

This is a general view of the Laguna de Los Patos and the marshes where the Coespeletia palustris is found. Credit: Mauricio Diazgranados


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More information: Diazgranados M, Morillo G (2013) A new species of Coespeletia (Asteraceae, Millerieae) from Venezuela. PhytoKeys 28: 9–18. DOI: 10.3897/phytokeys.28.6378

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