Cattleya walkeriana

Cattleya walkeriana

Cattleya walkeriana                                                                                                                                                         photo C. Solimbergo
   
taxonomy       described by Gardner, George
  published in       London Journal of Botany  2 : 662    1843
     
  family Orchidaceae
  subfamily Epidendroideae
  tribe Epidendreae
  subtribe Laeliinae
  genus Cattleya  Lindley 1821, bifoliate
     
  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 forests, endemic in Brazil (Minas Gerais, Goiàs, Sierra Dourada, Formoso, Amaro Leite), Bolivia
  altitude  756 - 2000 m (2494 - 6600 ft)         
  habitat climate informations from Diamantina (Minas Gerais, Brazil)
    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 1300 m / 4300 ft) :
    Cattleya walkeriana a gr uk
  photoperiod in Diamantina this orchid bloom with a photoperiod, that varies during the year, from 13 h 12 m' to 10 h 48 m'
  life form epiphyte or litophyte on limestone rocks
brightness     sunny - often in full sun, but moderated by fog, low clouds and dew
     
inflorescence   length 4 cm  (1.6"), apical
  nr flowers 1 - 2, fragrants
  size single flower  8 L 8 cm  (3.2" L 3.2") - inflorescence  8 L 15 cm  (3.2" L 6")
  duration single flower, ≈ 20 days 
  time to bloom from birth, ≈ 30 days   
     
CITES appendix II

 

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