Una nueva especie de Pleurothallis (Pleurothallidinae) subsección Macrophyllae-Fasciculatae para la región Andina colombiana

Sierra-Ariza, Mario Alexei; Rincón-González, Milton; Wilson, Mark; Tamayo, Boris Villanueva

doi:10.15517/lank.v22i1.50823

Cited by 2 publications

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“…As such, the P. cardiostola-P. lilijae complex is both more numerous and more widely distributed than the P. cardiothallis complex (Pupulin et al, 2017; Pupulin et al . , 2021), which is itself part of what might be more broadly considered the P. cardiothallis-P. titan complex (Sierra-Ariza et al, 2022). It is important to restate in this context, however, that we do not claim that these 32 species are phylogenetically more closely related to each other than they are to any other member of Macrophyllae-Fasciculatae .…”

Section: Discussionmentioning

confidence: 99%

New Species of Pleurothallis (Orchidaceae: Pleurothallidinae), a New Country Record, and Labellar Morphology in the P. cardiostola-P. lilijae Complex of Subsection Macrophyllae-Fasciculatae

Wilson

Larsen

Moreno

et al. 2022

Harvard Papers in Botany

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Pleurothallis subsection Macrophyllae-Fasciculatae is the most species-rich infrageneric grouping within this genus. Within this subsection, based on floral and vegetative morphology, we recognize the P. cardiostola-P. lilijae complex, an expansion of Luer's previously proposed subsection Cardiostolae. The nature of the two species P. cardiostola and P. lilijae is clarified here to allow comparison to an additional 24 possible members of the complex. Recognizing P. lanigera as distinct from P. cardiostola, and the other putative species as distinct from each other, brings the complex of previously described species to 26. In the process of reviewing living material and photographs of these species, as well as of the many plants misidentified as P. lilijae, it quickly became apparent that there are multiple undescribed species in this group. Six new species from Colombia, Ecuador and Peru are described herein. Each species is typified, described and illustrated, in most cases with a drawing, a composite digital plate, photos to show floral variability, and a scanning electron micrograph of the lip. Including these additional 6 species brings the P. cardiostola-P. lilijae complex to 32 members, which is both more numerous and more widely distributed than the P. cardiothallis-P. titan complex. One characteristic of species in this group is the copious production of nectar-like liquid on the lip and a prominent glenion.

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Section: Discussionmentioning

confidence: 99%

New Species of Pleurothallis (Orchidaceae: Pleurothallidinae), a New Country Record, and Labellar Morphology in the P. cardiostola-P. lilijae Complex of Subsection Macrophyllae-Fasciculatae

Wilson

Larsen

Moreno

et al. 2022

Harvard Papers in Botany

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Diversity and phorophyte preferences of lichens in the Cerro Machín volcano cloud forest (Tolima, Colombia)

Rincón-Murillo,

Simijaca,

Esquivel

et al. 2024

Rev. Acad. Colomb. Cienc. Ex. Fis. Nat.

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Cerro Machín is located in the municipality of Ibagué. It is a volcano with active fumaroles reaching 2650 m of elevation. Montane forest relics mostly cover it, but the forest in the surroundings has been largely replaced by pastureland. We surveyed its lichenized fungi communities focusing on species composition, community structure, diversity, and phorophyte preferences. Thirty-five of the 113 species observed are new reports for the department of Tolima and six of them for Colombia. The overall species richness is the highest reported in the municipality of Ibagué. In the study area, the forest has a good conservation status indicated by the presence of the genus Sticta. We registered an average of seven lichenized fungal species per tree, i.e., a low richness, possibly due to the exhausts of the fumaroles. A beta diversity analysis showed a high percentage of rare species. We found evidence of some preference of lichens for bark characteristics, but we did not observe specificity towards tree species.

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Una nueva especie de Pleurothallis (Pleurothallidinae) subsección Macrophyllae-Fasciculatae para la región Andina colombiana

Cited by 2 publications

References 0 publications

New Species of Pleurothallis (Orchidaceae: Pleurothallidinae), a New Country Record, and Labellar Morphology in the P. cardiostola-P. lilijae Complex of Subsection Macrophyllae-Fasciculatae

New Species of Pleurothallis (Orchidaceae: Pleurothallidinae), a New Country Record, and Labellar Morphology in the P. cardiostola-P. lilijae Complex of Subsection Macrophyllae-Fasciculatae

Diversity and phorophyte preferences of lichens in the Cerro Machín volcano cloud forest (Tolima, Colombia)

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