Porroglossum

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.[2][3] This genus is abbreviated Prgm in horticultural trade.

Porroglossum
Porroglossum muscosum
1899 illustration[1]
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Monocots
Order:
Asparagales
Family:
Orchidaceae
Subfamily:
Epidendroideae
Tribe:
Epidendreae
Subtribe:
Pleurothallidinae
Genus:
Porroglossum

Synonyms[2]

Lothiania Kraenzl.

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
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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.


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