Campylocentrum luzmariae (Vandeae, Orchidaceae), a new species from the Andean cloud forest of Colombia Author Perdomo, Oscar 0000-0003-1260-1965 NÚCLEO - Grupo de Investigación en Ciencias Básicas, Facultad de Ciencias e Ingeniería, Universidad de Boyacá, Tunja, Boyacá, Colombia oscarperdomobaez@gmail.com Author Singer, Rodrigo B. 0000-0001-8980-7713 Laboratório de Sistemática de Plantas Vasculares, Programa de Pósgraduação em Botânica, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil Author Pessoa, Edlley M. 0000-0003-3800-8684 Laboratorio de Estudos Integrados de Plantas, Departamento de Botânica e Ecologia, Universidade Federal de Mato Grosso, Cuiabá, MT, Brazil edlley_max@hotmail.com text Phytotaxa 2024 2024-04-03 642 4 279 284 http://dx.doi.org/10.11646/phytotaxa.642.4.6 journal article 10.11646/phytotaxa.642.4.6 1179-3163 13214413 Key to species of Campylocentrum sect. Campylocentrum from Colombia (adapted from Pessoa 2020 ) 1. Spur> 1.2 cm long, straight to slightly curved, apex acute to obtuse........................................... C. huebneri Mansfeld (1928: 382) - Spur < 0.6 cm long, slightly to strongly curved, apex round .............................................................................................................2 2. Lip blade at least twice as long as wide .............................................................................................................................................3 - Lip blade shorter than wide to slightly longer than wide ...................................................................................................................6 3. Lip blade entire, oblong to oblong-lanceolate or slightly trilobed .................................................... C. panamense Ames (1992: 88) - Lip blade trilobed ...............................................................................................................................................................................4 4. Midlobe of the lip as long as lateral lobes........................................ C. lansbergii ( Reichenbach 1859: 316 ) Schlechter (1919: 100) - Midlobe of the lip up to twice longer than the lateral lobes ............................................................................................................... 5 5. Leaf blade <4.0 cm long, spur < 0.32 mm long ........................................ C. antioquiense Kolanowska & Szlachetko (2013: 223) . - Leaf blade> 4.5 cm long, spur > 0.50 mm long................................................................... C. kuntzei Cogn. in Kuntze (1898: 298) 6. Spur obovoid ......................................................................................................................................................................................7 - Spur cylindrical-clavate......................................................................................................................................................................8 7. Leaf blade ovate, <1.0 cm long…… ........................................................... C. palominoi Kolanwska, O.Pérez & E.Parra (2012: 9) - Leaf blade elliptical to lanceolate> 1......................................................................... C. polystachyum (Lindley) Rolfe (1903: 245) 8. Spur strongly curved........................................................................................................................................................ C. luzmariae - Spur slightly curved............................................................................................................................................................................9 9. Spur> 0.2 cm long ............................................................................................ C. guarinae Szlachetko & Kolanowska (2014: 285) - Spur < 0.16 cm long .........................................................................................................................................................................10 10. Inflorescence < 1.5 cm long, lip blade longer than wide.......................... C. misas-urretae Szlachetko & Kolanowska (2014: 285) - Inflorescence> 2.0 cm long, lip blade as long as or wider than long ............................................... C. alvesii E. Pessoa (2020:256) .