Psygmorchis pusilla

Psygmorchis pusilla

Psygmorchis pusilla                                                                                                                                                        photo C. Solimbergo
(Erycina pusilla)
 
taxonomy   described by   (Linnaeus) Dodson, Calaway Homer  & Dressler, Robert Louis  
  published in Phytologia 24 (4) : 288 . 13 nov 1972
     
  Family Orchdaceae
  Subfamily  Epidendroideae
  Tribe Cymbidieae
  Subtribe Oncidiinae
  Genus Psygmorchis  Dodson  & Dressler  1972
     
  chromosomes   2n = 12 
  metabolism C3 pathway, stomata of the leaves are open during the day.
    (K.Silvera, L.S. Santiago, J.C. Cushman, K. Winter - International Symposium on Plant Biology, August 2013)
    it is useful give the soluble mineal nutriens, on the roots.
     
native of  origin tropical, humid forests in Mexico ( Quintana Roo, Chiapas, Jalisco, Oaxaca, Campeche, Tabasco, Veracruz), 
    Belize (Stann Crk, Toledo, Cayo), Guatemale, Honduras, Nicaragua, Costa Rica (Cartago, Jimenez, Osa,
    Turrialba, Heredia, Sarapiqui, Limon, Talamanca, Puntarenas, San Josè,Turrubares), Panama (Bocas del Toro,
    Panamà, Canal Area, Coclè, Colon, Darien), Trinidad & Tobago, Colombia (Antioquia, Chocò, Valle del Cauca),
    Ecuador (Bolivar,Chimborazo, Cotopaxi, El Oro, Esmeraldas, Guayas, Loja, Los Rios, Manabì, Morona-Santiago,
    Pastaza, Zamora-Chinchipe), Bolivia (Cochabamba, Carrasco, La Paz, Santa Cruz, , Nuflo de Chavez, Velasco, 
    Beni, Yacuma, Manuripi), Peru (Amazonas, Huanuco, Junin, Loreto, San Martin)
  altitude  10 - 180 m (33 - 5940")
  habitat  climate informations from El Pujo (Pastaza, Ecuador)
    Köppen climate classification : Af, humid tropical climate of the rainforest
    (no winter season, more abundant rainfall)
    the weather station data (temperatures are calculated for an altitude of 900 m / 2970 ft) :
    Psygmorchis pusilla a gr uk
  photoperiod  in El Pujo this orchid bloom with a photoperiod, that varies during the year, from 12 h 05 m' to 11 h 55 m'
  life form  epiphyte
  brightness partial shade
     
inflorescence   lenght 4 cm (1.6"), lenght
  flowers 4 - 6
  size 2,3 L 2 cm (0.92 L 0.8")
  duration single flower 
  time to bloom from birth ≈  days
     
CITES appendix II

 

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