FIGURE 3 - uploaded by Bruno Larsen
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Lepanthes luerorum B.T.Larsen. . A. Segment of inflorescence with one flower in frontal view. B. Dissected flower. C. Lip and column, dorsal view. D. Expanded lip in frontal view. E. Ovary, column and lip, lateral view. F. Habit. Drawn from the holotype by B. Larsen.
Source publication
In this paper three new species of Lepanthes (Orchidaceae: Pleurothallidinae) from Ecuador, Panama and Venezuela are described. Each species is illustrated with a line drawing. For each of the new species information about distribution, habitat, and a comparison with similar taxa is given. The new species are named: Lepanthes dubbeldamii, Lepanthes...
Context in source publication
Context 1
... can be distinguished from the later by the following set of characters: the presence of a minute triangular, pubescent appendix at the obtuse sinus; a thick, densely pubescent rostellum, and most remarkably by the transverse ventral stigma with two apical, large lateral lobes on each side of the anther. Lepanthes luerorum B.T.Larsen, sp. nov. (Fig. 3.) This species is vegetatively similar to Lepanthes sanjuanensis from neighboring Costa Rica, but can be readily distinguished from the later by the glabrous petals, the glabrous, lightly concave blades of the lip, with acute apices, and by the minute, oblong, ciliate appendix at the sinus. Plant small, epiphytic, caespitose; roots ...
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Citations
... It was not until the second half of the 20th century that a more complete study of it began, leading to a significant increase in the number of described species in recent years: at the beginning of this century, the genus comprised only 60 species (Schlechter 1915), in the 1970s it grew to 250 species (Index Kewensis in Salazar Chávez & Soto Arenas 1996), then 800 in the 1990s (Pridgeon 1992), to more than 1120 in 2016 (Karremans 2016, Bogarín et al. 2020). This figure continues increasing until the present day (Larsen 2014). The great diversity of the genus makes it a taxonomically complex, highly variable group (Tremblay & Ackerman 2001, Pupulin & Bogarín 2012. ...
Two new species of Lepanthes, L. pembertonii and L. hwangiae, from the North of the Central Cordillera of the Colombian Andes are described and illustrated. Both were found while conducting research in Alto de Ventanas natural reserves with the objective of improving knowledge of the orchid flora of the department of Antioquia, Colombia. Comparison with their morphologically relatives and taxonomical and ecological notes are given.
... Lepanthes Sw. is one of the most diverse genera of the subtribe, and the estimated number range between 1,100 and 1,200 species (Larsen et al. 2018;Baquero et al. 2019;Bogarín et al. 2020), accounting for more than 20% of the species (Karremans 2016). Lepanthes is restricted to the Neotropics, ranging from the Antilles and southern Mexico through the Andes south to Bolivia, with a few species known from Brazil (Luer and Thoerle 2012;Larsen 2014). The largest number of species is concentrated in the Andes of Colombia, Ecuador and Peru (Damian and Larsen 2017;Bogarín et al. 2020), but an important number of species is also distributed in Costa Rica, Panama (Salazar and Soto-Arenas 1996;Bogarín et al. 2020). ...
Three new species of Lepanthes from Ecuador are described and illustrated. These additions to the Ecuadorean flora were recorded in evergreen montane forest and páramo as part of three different research projects conducted during the last five years (2016–2021). Lepanthes oro-lojaensis was discovered in the southwest of El Oro province and is similar to L. jimburae , differing mainly in the much smaller plants, inflorescences and floral parts. Lepanthes microprosartima from the western slopes of Pichincha volcano in northern Ecuador resembles L. obandoi but differs in the coloration of the leaves, the inflorescence that are shorter than the leaves and the smaller floral appendix. Lepanthes caranqui , found in eastern Pichincha and Imbabura, is most similar to L. pachychila but differs from it in its much larger plants and different shape of the petals and the floral appendix. Preliminary assessments of the conservation status of the three taxonomic novelties are provided, using the IUCN Red List Categories and Criteria.
The fourth release of the series "New Species and Records of Orchidaceae from Costa Rica" documents and illustrates 17 taxa of the Costa Rican orchid flora. The new species records belong to the subtribes Pleurothallidinae (9 spp.), Maxillariinae (3 spp.), and Oncidiinae (2 spp.), including the description of two new species in Pleurothallis and Telipogon. Two new forms are described for Isochilus latibracteatus (Ponerinae) and Masdevallia striatella (Pleurothallidinae), and their differences from the typical forms are discussed. Additionally, the first record of a naturalized population of Phalaenopsis stuartiana (Aeridinae) in Costa Rica is discussed. Detailed descriptions, based on selected Costa Rican material, are included for all taxa, along with illustrations or Lankester Composite Digital Plates (LCDP). Information on their etymology , distribution, habitat, phenology, and distinguishing features compared to morphologically similar species is also provided. Finally, following the publication of the most recent Costa Rican orchid catalogue, we have identified some omissions and other new species described, which are discussed here. The orchid flora of Costa Rica now includes 1695 species and nine forms.
We present a checklist of species of Lepanthes (Orchidaceae) from Peru, based on published reports supplemented by personal observations and the review of some herbarium specimens. Of the 81 species here reported from Peru, five are new records for the country and 44 are endemic. For each recorded species, we provide the accepted name, publication data, type, synonymy, and distribution in Peru by department and extralimital distributions by country. A map showing the numerical distribution of species by department and photographs of the five newly recorded and one recently described species are also provided. One lectotype is designated.
Online version available at: https://rdcu.be/c32LY
