Campylocentrum sect. Campylocentrum

Perdomo, Oscar, Singer, Rodrigo B. & Pessoa, Edlley M., 2024, Campylocentrum luzmariae (Vandeae, Orchidaceae), a new species from the Andean cloud forest of Colombia, Phytotaxa 642 (4), pp. 279-284 : 282-283

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) .