Oncidium pulvinatum

Oncidium pulvinatum

Oncidium pulvinatum                                                                                                                                                      photo C. Solimbergo
taxonomy described by Lindley, John
  published in       Edwards's Botanical Register  24 : misc. 61    1838
  family Orchidaceae
  subfamily Epidendroideae
  tribe Cymbidieae
  subtribe Oncidiinae
  genus Oncidium  Swartz 1800
  metabolism 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 primary moist forest in Brazil (Paranà, Serrinha, Rio de Janeiro, São Paulo, Santa Catarina,
    Rio Grande do Sul, Minas Gerais, Caldas, Espirito Santo), Argentina (Misiones, Oberà, Guaranì)
  altitude 740 - 1200 m (2442 - 3960 ft)

climate informations from Bernardo de Irigoyen (Misiones, Argentina)


Köppen climate classification : Cfa, humid subtropical climate in all seasons, with very hot summers


the weather station data (temperatures are calculated for an altitude of 950 m / 3100 ft) :

    Oncidium pulvinatum b gr uk
  photoperiod in Bernardo de Irigoyen this orchid blooms with a photoperiod, which varies during the year, from 13 h 45 m' to 10 h 15 m'
  life form epiphyte
  brightness    partial shade
inflorescence     length 47 cm  (18.8"), basal
  nr flowers 18 - 24
  size single flower  2.5 L 2.5 cm  (1" L 1") - inflorescence  L  cm
  duration inflorescence ≈ 30 days
  time to bloom from birth, ≈ 60 days
CITES appendix II


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