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Porroglossum
Porroglossum muscosum 1899 illustration
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Tribe:	Epidendreae
Subtribe:	Pleurothallidinae
Genus:	Porroglossum Schltr.
Synonyms
Lothiania Kraenzl.

Porroglossum (from Greek "far off" and "tongue", referring to the position of the lip) is a genus of orchids native to the Andes of South America. The center of diversity lies in Ecuador, with many of the species endemic to that country, though others are found in Colombia, Venezuela, Peru, and Bolivia. This genus is abbreviated Prgm in horticultural trade.

The lip in this genus is unique in the family. It is hinged and has a mechanism that snaps shut when stimulated by a pollinator, thus trapping the insect to ensure that the pollinia will be removed and later transferred to the receptive surface. The lip opens after 30 minutes or so to release the insect, but also closes at night and reopens at dawn.

Species

Species accepted as of June 2014:

1. Porroglossum actrix Luer & R.Escobar
2. Porroglossum adrianae Luer & Sijm
3. Porroglossum agile Luer
4. Porroglossum amethystinum (Rchb.f.) Garay
5. Porroglossum andreettae Luer
6. Porroglossum apoloae Luer & Sijm
7. Porroglossum aureum Luer
8. Porroglossum condylosepalum H.R.Sweet
9. Porroglossum dactylum Luer
10. Porroglossum dalstroemii Luer
11. Porroglossum dejonghei Luer & Sijm
12. Porroglossum dreisei Luer & Andreetta
13. Porroglossum echidna (Rchb.f.) Garay
14. Porroglossum ecuagenerense Luer & Hirtz
15. Porroglossum eduardi (Rchb.f.) H.R.Sweet
16. Porroglossum gerritsenianum Luer & R.Parsons
17. Porroglossum hirtzii Luer
18. Porroglossum hoeijeri Luer
19. Porroglossum hystrix Luer
20. Porroglossum jesupiae Luer
21. Porroglossum josei Luer
22. Porroglossum lorenae Luer
23. Porroglossum lycinum Luer
24. Porroglossum marniae Luer
25. Porroglossum meridionale P.Ortiz
26. Porroglossum merinoi Pupulin & A.Doucette
27. Porroglossum miguelangelii G.Merino, A.Doucette & Pupulin
28. Porroglossum mordax (Rchb.f.) H.R.Sweet
29. Porroglossum muscosum (Rchb.f.) Schltr.
30. Porroglossum myosurotum Luer & Hirtz
31. Porroglossum nutibara Luer & R.Escobar
32. Porroglossum olivaceum H.R.Sweet
33. Porroglossum oversteegenianum Luer & Sijm
34. Porroglossum parsonsii Luer
35. Porroglossum peruvianum H.R.Sweet
36. Porroglossum porphyreum G.Merino, A.Doucette & Pupulin
37. Porroglossum portillae Luer & Andreetta
38. Porroglossum procul Luer & R.Vásquez
39. Porroglossum rodrigoi H.R.Sweet
40. Porroglossum schramii Luer
41. Porroglossum sergii P.Ortiz
42. Porroglossum sijmii Luer
43. Porroglossum taylorianum Luer
44. Porroglossum teaguei Luer
45. Porroglossum teretilabia Luer & Teague
46. Porroglossum tokachii Luer
47. Porroglossum tripollex Luer
48. Porroglossum uxorium Luer

References

1. H. T. D. (?)del., J. N. Fitch lith. ( = John Nugent Fitch, 1840–1927) Description by Joseph Dalton Hooker (1817—1911) - "Curtis's Botanical Magazine" vol. 125 (Ser. 3 no. 55)
2. ^ Kew World Checklist of Selected Plant Families
3. Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2006). Epidendroideae (Part One). Genera Orchidacearum 4: 1-672. Oxford University Press, New York, Oxford.

External links

• Media related to Porroglossum at Wikimedia Commons
• Data related to Porroglossum at Wikispecies

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