taxonID	type	description	language	source
377F8B2DD211FFC6FF27F40FFBDFFE09.taxon	materials_examined	Type: — COLOMBIA. Antioquia: Municipio de Valdivia, Reserva Natural La Esperanza, 2160 m, 2 August 2017, S. Vieira 29 (holotype JAUM-Spirit!).	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD211FFC6FF27F40FFBDFFE09.taxon	diagnosis	Lepanthes pembertonii is most similar to L. viahoensis Luer & R. Escobar (1997: 311), both vegetatively and in the flowers, but L. pembertonii is easily differentiated in having petals with the upper lobe narrowly triangular (vs. obliquely triangular), the lower lobe triangular (vs. oblong, oblique at the apex) and the lip transversely bilobed with flabellate lobes and with an oblong, recurved, pubescent appendix in the sinus (vs. subcordate lip with the apex broadly rounded, shortly incised, with a microscopic lobule in the sinus).	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD211FFC6FF27F40FFBDFFE09.taxon	description	Description: — Plant epiphytic, sympodial, caespitose, sub-erect, up to 28 mm tall. Roots slender, flexuous, filiform, ca. 0.6 mm in diameter. Ramicauls slender, erect, up to 23 mm long, enclosed by 6 – 7 brownish, ribbed, tightly adpressed lepanthiform sheaths, the ribs and the dilated margins papillose, acuminate. Leaves abaxially purple, thickly coriaceous, narrowly ovate, with one main central vein, the apex acute, incised and tri-apiculate, up to 21.0 × 4.8 mm, the obtuse base narrowing into a petiole ca. 1 mm long. Inflorescence a congested, distichous, successively many flowered raceme up to 7 mm long, appressed to the abaxial surface of the leaf by a filiform peduncle up to 4 mm long. Floral bracts ovate, acute, covered with filiform papillae, ca. 0.7 mm long; pedicel 0.9 mm long. Ovary terete, costate, erose, ca. 0.7 mm long. Flowers with the sepals semi-hyaline, primrose, suffused with crimson near the base, petals crimson with saffron margins, lip vermilion, column magenta with a white rostellum. Sepals membranaceous, fully spread, carinate along the veins on the abaxial surface. Dorsal sepal ovate, repand, acute, 3 - veined, 2.4 × 1.2 mm, connate to the lateral sepals for ca. 0.3 mm. Lateral sepals broadly ovate, oblique, crenulate, attenuate, 2 - veined, 1.9 × 1.4 mm, connate for ca. 0.4 mm. Petals transversely bilobed, puberulous, 0.6 × 2.7 mm, 1 - veined, with a minute rounded marginal mid-lobe, the upper lobe narrowly triangular, rounded, 1.8 mm long; the lower lobe triangular, rounded, 0.9 mm long, approximately ½ the length of the upper lobe. Lip puberulous, transversely bilobed, 0.8 × 1.1 mm when expanded, the lobes flabellate with rounded ends, with thickened external margins, erect on both sides of the column, the sub-quadrate body deeply concave, with a marginal oblong, recurved, white, pubescent appendix in the middle; adnate to the base of the column. Column obconical, 0.9 mm long, microscopically bullate, the anther apical, the stigma apical, with a minutely fimbriate rostellum. Pollinia 2, yellow, obovoid, attached to a detachable viscidium. Anther cap cucullate, white, suffused with magenta. Capsule not seen.	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD211FFC6FF27F40FFBDFFE09.taxon	distribution	Distribution & Ecology: — Lepanthes pembertonii is only known from a small area in the north of the central Andes of Colombia. The type specimen was found with a few more plants of the same species growing on a single thin, moss-covered branch hanging 1.5 meters above the water of a small creek, inside a primary forest in La Esperanza Natural Reserve. This area, covered by Tropical Premontane Rainforest is particularly abundant in diversity of species of the genus Lepanthes. La Esperanza Natural Reserve is located in a very biodiverse region in the north of the central Andes of Colombia known as “ Alto de Ventanas ”, in the municipality of Valvidia in the Antioquia department.	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD211FFC6FF27F40FFBDFFE09.taxon	etymology	Etymology: — Named to honor Robert W. Pemberton, Entomologist / Botanist, and generous donor to the expansion of the natural reserve that protects the habitat of the new species.	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD211FFC6FF27F40FFBDFFE09.taxon	discussion	Taxonomic Discussion: — Lepanthes pembertonii, is both vegetatively and florally similar to L. anchicayae J. S. Moreno & S. Vieira-Uribe (2020: 100), L. petalopteryx Luer & R. Escobar (1994: 106) and L. viahoensis, all of them with small plants bearing narrowly ovate, thickly coriaceous leaves and minuscule flowers that open below the leaf blade and have membranaceous yellowish sepals, erect, puberulous petals and a blade-less, puberulous, transversely bilobed lip with the lobes erect and surrounding the column (Figure 3, Table 1). From Lepanthes anchicayae (Figure 3 A), it is easily separated by the narrowly triangular upper lobes of the petals (vs. ovate, oblique, with a second point midway on the inner margin) and the lip with flabellate lobes (vs. cuneate) with an oblong, recurved and pubescent appendix in the sinus (vs. no appendix). From Lepanthes petalopteryx (Figure 3 C), it is differentiated by the leaves abaxially purple (vs. green), the petals with triangular lobes, the lower one ½ the length of the upper one (vs. equally sized lobes that are obliquely subquadrate or oblong, obliquely truncate with the inner angles shortly acuminate-obtuse, the outer angles subacute) and the lip with flabellate lobes (vs. reniform lip) with an oblong, recurved, pubescent appendix (vs. no appendix). Finally, from Lepanthes viahoensis (Figure 3 D), the most similar species both, in plant and flower color and morphology, it is separated by having the petals with the upper lobe narrowly triangular (vs. obliquely triangular), the lower lobe triangular (vs. oblong, oblique at the apex) and the lip transversely bilobed with flabellate lobes (vs. subcordate lip) with an oblong, recurved, pubescent appendix in the sinus of the body (vs. no lip body, and a microscopic lobule in the sinus). Table 1 shows a comparative summary of differences between Lepanthes pembertonii and the already mentioned similar species.	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD214FFCAFF27F193FE98FB31.taxon	materials_examined	Type: — COLOMBIA. Antioquia: Municipio de Valdivia, Reserva Natural La Esperanza, Cloud forest, epiphyte in thin branches next to the entrance to the reserve, 2160 m, 31 january 2022, S. Vieira 30 (holotype: JAUM-Spirit!).	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD214FFCAFF27F193FE98FB31.taxon	diagnosis	Lepanthes hwangiae is most similar to L. cyclochila Luer & R. Escobar ex Viveros & W. E. Higgins (2007: 34), but it can be distinguished by its transversally bilobed petals with the upper lobe bifurcate in unequal lobes, with the external lobe triangular, obtuse and the internal lobe oblong, obtuse (vs. the upper lobe obliquely truncate) and the lower lobe oblong and rounded (vs. lower lobe oblong, shallowly bifurcate into 2 triangular, narrowly rounded lobes) and the lip sub-circular, slightly emarginate, with the oblong and rounded basal lobes erect, embracing the column and touching each other well above the column (vs. sub-quadrate, markedly emarginate, with the shortly triangular and obtuse basal lobes of the lip erect on each side of the column without touching each other). (Figures 6,7).	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD214FFCAFF27F193FE98FB31.taxon	description	Description: — Plant, epiphytic, caespitose, up to 3 cm tall. Roots slender, flexuous, filiform, 0.6 mm in diameter. Ramicauls slender, suberect, 1.2 – 2.4 cm long, enclosed by 7 – 9 acuminate, ribbed, microscopically ciliate along the ribs lepanthiform sheaths, with ciliate dilated ostia. Leaves abaxially purple, elliptical, the apex acute, incised and tri-apiculate, 1.2 – 1.7 × 0.5 – 0.6 cm, the cuneate base contracted into a ca. 1 mm long petiole. Inflorescence a congested, distichous raceme successively many-flowered, up to 1 / 2 the length of the leaf, 0.6 – 0.9 cm long including the peduncle, held on the abaxial surface of the leaf by a filiform, terete peduncle up to 5 mm long borne near the apex of the ramicaul. Floral bracts conical, ciliate, acuminate, up to 0.7 mm long; pedicels terete, verrucose, up to 1.5 mm long. Ovary terete, costate, verrucose along the ribs, ca. 1.1 mm long. Flowers with the sepals translucent saffron; petals saffron with the base suffused with crimson; the lip magenta with fulvous-saffron margins, the column pale gray with the apex magenta. Dorsal sepal elliptic, with papillose margins towards the apex, acuminate, 3 - veined, 2.3 × 1.4 mm, connate at the base to the lateral sepals for ca. 0.25 mm. Lateral sepals ovate-elliptic, oblique, with papillose margins towards the apex, the apex acute, sub-acuminate, 2 - veined, 1.9 – 2.0 × 1.2 – 1.3 mm, connate at the base for ca. 0.25 mm. Petals transversally bilobed, microscopically pubescent, 0.8 × 3.8 mm, 1 veined; the upper lobe oblong bifurcate in unequal lobes, the external lobe triangular, obtuse, the internal lobe oblong, obtuse, 1.7 mm long; the lower lobe oblong, rounded, 2.0 mm long. Lip microscopically pubescent, sub-circular, bilobed, with the oblong and rounded basal lobes erect, embracing the column and touching each other well above the column, the apex rounded, emarginate, with a small apiculum in the sinus, 3 - veined, 2.1 × 2.0 mm expanded, the base adnate to the base of the column. Column conical, terete, ca. 1.2 mm long including the rostellum, the anther dorsal, the stigma ventral. Anther cap purple, cordate, cucullate, 0.5 mm long. Pollinia 2, yellow, narrowly obovoid, ca. 0.6 mm long, attached to a drop like viscidium. Capsule not seen.	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD214FFCAFF27F193FE98FB31.taxon	distribution	Distribution and ecology: — Lepanthes hwangiae is known from two localities in the Alto de Ventanas region in the north of the central Andes of Colombia, just a few kilometers apart and with the same elevation. It grows as an epiphyte in thin, moss-covered branches no more than 1 meter from the ground, in partially shaded and humid areas inside primary and secondary cloud forests.	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD214FFCAFF27F193FE98FB31.taxon	etymology	Etymology: — Named to honor Joanne Hwang Pemberton, wife of Robert W. Pemberton, generous donor to the expansion of the natural reserve that protects the habitat of the new species.	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
377F8B2DD214FFCAFF27F193FE98FB31.taxon	discussion	Taxonomic Discussion: — Lepanthes hwangiae is also similar to L. petalopteryx (Figure 3 C), but this latter species could be recognized by the petals with both lobes similar, obliquely subquadrate or oblong, oblique, with the inner angles shortly acuminate-obtuse, the outer angles subacute, the outer angles obtusely angled at the center (vs. the upper lobe oblong bifurcate in unequal lobes, the external lobe triangular, obtuse, the internal lobe oblong, obtuse and the lower lobe oblong, rounded). Finally, the lip in L. petalopteryx is reniform with the lobes surrounding the column without touching each other (vs. sub-circular, embracing the column and touching each other well above the column) (Figure 3 C).	en	Vieira-Uribe, Sebastián, Moreno, Juan Sebastián, Espinosa, Felipe (2022): Two new species of Lepanthes (Pleurothallidinae, Orchidaceae) from the Alto de Ventanas, Colombia. Phytotaxa 567 (2): 149-161, DOI: 10.11646/phytotaxa.567.2.3
