Bulbophyllum refractum

Bulbophyllum refractum

Bulbophyllum refractum                                                                                                                                                 photo C. Solimbergo
taxonomy described by (H. Zollinger) Reichenbach, Heinrich Gustav 
  published in       Annales Botanices Systematicae  6 : 259    1864
   Family Orchidaceae 
  Subfamily   Epidendroideae
  Tribe Malaxideae 
  Subtribe Dendrobiinae
  Genus Bulbophyllum  Thouras  1822
  Section Tripudianthes  Seidenfaden 1979
  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 deciduous or semi deciduous forest in India, Burma, Thailand (Khao Yai, Viet Nam, 
    Indonesia (Sumatra, Java)
  altitude 0 - 1420 m (0 - 4686 ft)          
  habitat  climate informations from Kutabuluh Pasar (North Sumatra, Indonesia)
    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 750 m / 2470 ft) :
    Bulbophyllum refractum a gr uk
  photoperiod in Kutabuluh Pasar this orchid bloom with a photoperiod, that varies during the year, from 12 h 12 m' to 11 h 48 m'
  life form epiphyte
  brightness   low 
inflorescence    length 11 cm (4.4")
  nr flowers 3, smelly 
  size single flower  4 L 0.5 cm  (1.6" L 0.2") - inflorescence  8 L 4 cm  (3.2" L 1.6") 
  duration inflorescence ≈ 15 days 
  time to bloom from birth, ≈ 45 days
CITES appendix II



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