Oncidium sphacelatum

Oncidium sphacelatum 

Oncidium sphacellatum                                                                                                                                                 photo C. Solimbergo
taxonomy described by Lindley, John
  published in      Sertum Orchidaceum  sub . t . 48    1841
  family Orchidaceae
  subfamily Epidendroideae
  tribe Cymbidieae
  subtribe Oncidiinae
  genus Oncidium  Swartz 1800

CAM pathway, stomata of the leaves are open at night.

    (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 origins rain forests in Bahamas, Grenada, Mexico (Champeche, Calakmul, Chiapas, Cintilaba, Ocosingo, Tenejapa,
    Tila, Jalisco, Oaxaca,Choapan, Ixtlan, Quintana Roo, Tabasco, Un-Huatusco), Belize (Cajo, Corozal, Toledo),
    Guatemala (Alta Verapaz, Petèn, Zacapa), Honduras (Copàn, Cortès, Danlì), El Salvador (Cabañas),
    Nicaragua (Boaco, Estelì), Costa Rica, Panama, Venezuela (Bolivar)
  altitude 0 - 1825 m  (0 - 6022 ft)

climate informations from Estelì (Boaco, Nicaragua)

    Köppen climate classification : Aw, tropical savanna climate (with a dry season and a rainy season)

the weather station data (temperatures are calculated for an altitude of 850 m / 2800 ft) :

    Oncidium sphacelatum b gr uk
  photoperiod in Estelì this orchid blooms with a photoperiod, which varies during the year, from 12 h 52 m' to 11 h 08 m'
  life form epiphyte
  brightness    partial shade
inflorescence     length 140 - 160 cm  (56" - 64"), basal  
  nr flowers 150 - 180, fragrants
  size single flower  3 L 3 cm  (1.2" L 1.2") - inflorescence  100 L 16 cm  (40" L 6.4")
  duration inflorescence ≈ days
  time to bloom from birth, ≈ 100 days 
CITES appendix II


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