Dendrobium amethystoglossum

Dendrobium amethystoglossum

Dendrobium amethystoglossum                                                                                                                                    photo C. Solimbergo
   
taxonomy        described by Reichenbach, Heinrich Gustav
  published in       The Gardeners' Chronicle & Agricultural Gazette  109    1872
     
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium Swartz 1799
     
  chromosomes  2n = 40  
  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 The Philippines (north-west of Luzon, Benguet, Ifugao, Mountain Province) on limestone rocks
covered with moss
  altitude ≈ 1400 m (4600 ft)
  habitat climate informations from Baguio (Benguet, Cordillera, Philippines)
    Köppen climate classification : Am, tropical monsoon climate (a dry season and a wet season very rainy)
    the weather station data (temperatures are calculated for an altitude of 1400 m / 4600 ft) :
    Dendrobium amethystoglossa a gr uk
  photoperiod in Baguio this orchid bloom with a photoperiod, that varies during the year, from 13 h 05 m' to 10 h 55 m'
  life form litophyte
  brightness   partial shade
     
inflorescence    length 5 - 10 cm  (2" - 4"), from the upper nodes
  nr flower 14 - 20
  size single flower  3.5 L 4 cm  (1.4" L 1.6") - inflorescence  10 L 7 cm  (4" L 2.8")
  duration inflorescencedays
  time to bloom from birth, ≈ 80 - 90 days    
     
CITES appendix II

  

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