Coelogyne tomentosa

Coelogyne dayana

Coelogyne tomentosa                                                                                                                                                     photo C. Solimbergo
(Coelogyne dayana)  
taxonomy described by Lindley, John
  published in      Folia Orchidacea . Coelogyne 3    1853
  family Orchidaceae
  subfamily Epidendroideae
  tribe Arethuseae
  subtribe Coelogyninae
  genus Coelogyne  Lindley 1821
  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 in India, Thailand (Khao Luang, Sritammarat), Malaysia (Borneo, Bukit Etan)
  altitude 1100 - 2100 m  (3630 - 6930 ft)
  habitat climate informations from the weather station National Park Khao Luang (Phetchaburi, Thailand)
    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 1600 m / 5280 ft) :
    Coelogyne tomentosa a gr uk
  photoperiod in Khao Luang this orchid bloom with a photoperiod, that varies during the year, from 13 h 02 m' to 10 h 58 m'
  life form epiphyte
  brightness   partial shade
inflorescence    length 50 - 60 cm  (20" - 24"), apical
  nr flowers 18 - 24, fragrants
  size single flower  4 L 5 cm  (1.6" L 2") inflorescence  L  cm
  duration inflorescence  ≈ 12 days
  time to bloom from birth, ≈ 40 days                   
CITES appendix II

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