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. 2021 Nov 3:184:55-66.
doi: 10.3897/phytokeys.184.70844. eCollection 2021.

A new species of Epidendrum L. (Orchidaceae) of pendulous habit from Peru

Luis Ocupa Horna  1   2   3 , Eric Hágsater  4 , Marco M Jiménez  3   5
Affiliations

A new species of Epidendrum L. (Orchidaceae) of pendulous habit from Peru

Luis Ocupa Horna et al. PhytoKeys. .

Abstract
in English, Spanish

A new species of Epidendrum L. from northern Peru is described, illustrated, and compared with related species. This new species belongs to the Laxicaule Group and shares morphological characteristics with Epidendrumlaxicaule D.E. Benn & Christenson but differs in the shape and length of the dorsal sepal; the shape of the petals and the lip, ribs position of the lip, shape of the vesicle formed between the ovary and the column as well as the section of the stem.

AbstractSe describe, ilustra y compara una nueva especie de Epidendrum L. del norte de Perú con otras especies relacionadas. Esta nueva especie pertenece al Grupo Laxicaule y comparte características morfológicas con Epidendrumlaxicaule D.E. Benn & Christenson pero difiere en la forma y longitud del sépalo dorsal; la forma de los pétalos y del labio, la posición de las costillas del labio, la forma de la vesícula formada entre el ovario y la columna así como la sección del tallo.

Keywords: Cajamarca; Epidendroideae; San Ignacio; endemic; epiphyte; neotropic.

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Figures

Figure 1.
Figure 1.
Drawing of Epidendrumlufinorum sp. nov. A habit B flower C dissected perianth D lip extended E column, lip and ovary, lateral view F lip in natural position, abaxial view G anther and pollinarium. Illustration by L. Ocupa from the holotype (L. Ocupa 211, HUT).
Figure 2.
Figure 2.
Epidendrumlufinorum sp. nov., photographed in situ at the type locality A habit with stem apex including inflorescence B close-up of a stem segment with a new growth in early stage C lateral view of flower D abaxial view of flower with ovary and apical vesicle. Photographs by L. Ocupa (based on the holotype: L. Ocupa 211).
Figure 3.
Figure 3.
Species distribution map of the Laxicaule Group. Regions: 1 Cajamarca 2 Amazonas 3 Pasco 4 Junin Prepared by Luis Ocupa.
Figure 4.
Figure 4.
Comparison and flowers close-up of the Laxicaule Group species AE.laxicaule (Photo by I. Rolando) BE.megalopentadactylum (Photo by F. Corcuera) CE.lufinorum sp. nov. (Photo by L. Ocupa).
Figure 5.
Figure 5.
Other undescribed species of the Laxicaule Group found in Amazonas A, B, CEpidendrumaff.laxicaule sp. nov. and E.lufinorumD, EEpidendrumaff.megalopentadactylum sp. nov. Photographs by L. Pillaca (A, B, C) and L. Ocupa (D, E).
See this image and copyright information in PMC

References

    1. Bennett DE, Christenson EA. (1998) New species of Peruvian Orchidaceae V. Lindleyana 13: 42–45.
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    1. Granados Mendoza C, Jost M, Hágsater E, Magallón S, van den Berg C, Moriarty Lemmon E, Lemmon AR, Salazar GA, Wanke S. (2020) Target Nuclear and Off-Target Plastid Hybrid Enrichment Data Inform a Range of Evolutionary Depths in the Orchid Genus Epidendrum. Frontiers in Plant Science 10: e1761. 10.3389/fpls.2019.01761 - DOI - PMC - PubMed
    1. Hágsater E. (1985) Towards an understanding of the genus Epidendrum. In Proceedings of the Eleventh World Orchid Conference. American Orchid Society, Miami, Florida, 195–201.
    1. Hágsater E, Huayta A. (2018) Epidendrummegalopentadactylum Hágsater & Huayta. In: Hágsater E, Santiago E (Eds) The Genus Epidendrum, Part 12, Icones Orchidacearum 16(2): e1683. https://www.herbarioamo.org/index_archivos/Fascicle16_2.pdf

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