Cattleya dowiana var. aurea

 Cattleya dowiana aurea

Cattleya dowiana var. aurea                                                                                                                                           photo C. Solimbergo
taxonomy        described by Bateman, James
  published in       The Gardners' Chronicle & Agricultural Gazette  922    1866
var. aurea described by Williams, Samuel Benjamin   Moore, David
  published in          Orchid Album  2 : t . 84    1883 
  family  Orchidaceae
  subfamily Epidendroideae
  tribe  Epidendreae
  subtribe Laeliinae
  genus Cattleya  Lindley 1821, monofoliate
  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 forest in Colombia (Antioquia)
  altitude 600 - 1600 m  (1980 - 5280 ft)              
  habitat habitat climate informations from Rio Negro (Antioquia, Colombia)
    Köppen climate classification : Cfb, humid subtropical climate in all seasons, with hot summers
    the weather station data (temperatures are calculated for an altitude of 1100 m /3630 ft) :
    Cattleya dowiana a gr uk
  photoperiod in Rio Negro this orchid bloom with a photoperiod, that varies during the year, from 12 h 24 m' to 11 h 36 m'
  life form   epiphyte
  brightness    sunny
inflorescence      length 12 cm  (4.8"), apical 
  nr flowers 2 - 3, fragrant
  size single flower  12 L 10 cm  (4.8" L 4")
  duration single flower, ≈ 20 days 
  time to bloom from birth, ≈ 90 days 
CITES appendix II


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