Bulbophyllum macrocoleum

Bulbophyllum macrocoleum

Bulbophyllum macrocoleum                                                                                                                                           photo C. Solimbergo
   
taxonomy    described by     Seidenfaden, Gunnar 
  published in Dansk Botanisk Arkiv 33 : 125    1979
     
  Family Orchidaceae
  Subfamily Epidendroideae
  Tribe Malaxideae 
  Subtribe Dendrobiinae
  Genus Bulbophyllum Thouras 1822
  Section Racemosae  Bentham & Hooker f 1883
     
  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 of Thailand and Viet Nam
  altitude 500 - 1400 m  (1650 - 4620 ft)   
  habitat climate informations from Nong Khai (Nakon Ratchasima, Thailand)
    Köppen climate classification : Aw, tropical savanna climate (with a dry season and a rainy season)
    the weather station data (temperatures are calculated for an altitude of 950 m / 3135 ft) :
    Bulbophyllum macrocoleum a gr uk
  photoperiod in Nong Khai this orchid bloom with a photoperiod, that varies during the year, from 13 h 10 m' to 10 h 50m'
  life form epiphyte  
  brightness partial shade 
     
inflorescence     length 18 - 22 cm (7.2" - 8.8") 
  nr flowers 36 - 40
  size single flower  0,6 L 0,2 cm  (0.24" L 0.08")  ) - inflorescence 36 L 3 cm  (12.4" L 1.2")  )
  duration inflorescence ~ 30 days
  time to bloom from birth, ~ 25 - 30 days
     
CITES appendix II

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