Dendrochilum magnum

Dendrochilum cobbianum 

Dendrochilum magnum                                                                                                                                                  photo C. Solimbergo
   
taxonomy         described by Reichenbach, Heinrich Gustav
  published in       Annales Botanices Systematicae  6 : 240    1861
     
  family  Orchidaceae
  subfamily Epidendroideae
  tribe Arethuseae
  subtribe Coelogyninae
  genus Dendrochilum  Blume  1825
     
  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 mossy forests of The Philippines (Luzon, Antique, Capiz, Negros, Davao, Lanao)
  altitude 665 - 1995 m (2194 - 6583 ft)
  habitat

climate informations from Marawi (Lanao, The Philippines)

    Köppen climate classification : Af, humid tropical climate of the rainforest
    (no winter season, more abundant rainfall)
    the weather station data (temperatures are calculated for an altitude of 1300 m / 4300 ft) :
    Dendrochilum magnum a gr uk
  photoperiod in Marawi this orchid bloom with a photoperiod, that varies during the year, from 12 h 30 m' to 11 h 30 m'
  life form epiphyte
  brightness    partial shade
     
inflorescence     length 55 - 60 cm (22" - 24")from the base of the leaf
  nr flowers 60 - 66, fragrants, in double row opposed
  size single flower  1 L 1.5 cm  (0.4" L 0.6") - inflorescence  30 L 2 cm  (12" L 0.8")
  duration inflorescence40 days
  time to bloom from birth, ≈ 40 days
     
CITES appendix II

  

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