Cleisostoma rolfeanum

 x56146p Cleisostoma elegans 

Cleisostoma rolfeanum                                                                                                                                                   photo  C. Solimbergo
taxonomy        described by (King & Pantling) Garay, Leslie Andrew
  published in      Botanical Museum leaflets, Harvard University  23 : 174    1972
  family Orchidaceae
  subfamily   Epidendroideae 
  tribe Vandeae
  subtribe Aeridinae
  genus Cleisostoma  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 tropical rainforests in Burma, north Thailand
  altitude up to 900 m (2970 ft)                 
  habitat informations on the climate, the weather station Chang Rai (Chiang Rai, 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 700 m / 2310 ft) :
    Cleisostoma rolfeanum a gr uk
  photoperiod in Chang Rai this orchid bloom with a photoperiod, that varies during the year, from 13 h 18 m' to 10 h 42 m'
  life form epiphyte
  brightness    partial shade
inflorescence    length 12 - 19 cm  (4.8" - 7.6"), axillary
  nr flowers 3 - 8
  size single flower  1 L 1 cm  (0.4" L 0.4") - inflorescence  10 L 3 cm  (4" L 1.2")
  duration inflorescence  ≈ 14 days
  time to bloom from birth, ≈ 50 days    
CITES appendix II


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