Calanthe rubens

 Calanthe rubens

Calanthe rubens                                                                                                                                                               photo C. Solimbergo
taxonomy        described by (Ridley) Ridley, Henry Nicholas
  published in       The Flora of Malay Penissula  4 : 123    1924
taxonomy family Orchidaceae
  subfamily Epidendroideae
  tribe Collabieae 
  genus  Calanthe R Brown  1821
  chromosomes    2n = 42  
  metabolism C3 pathway, stomata of the leaves are open during the day.
    (K.Silvera, L.S. Santiago, J.C. Cushman, K. Winter - International Symposium on Plant Biology, August 2013)
    soluble mineral nutriens are effective both, foliar or on the roots.
native of origin Thailand (Yanyao, Surat, Kao Sisiat, Korat, Adang, Satul, Muak Lek, Chiang Mai, Tung Wa, Kao Pang-nga,
    Pang-nga, Kao Sabap, Chantabun), Tha Philippines (Luzon, La Trinidad, Baguio, Benguet)
  altitude 0 - 800 m  (0 - 2640 ft)         
  habitat climate informations from Chiang Mai (Roi Et, 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 400 m / 1320 ft) :
    Calanthe rubens a gr uk
  photoperiod in Chiang Mai this orchid bloom with a photoperiod, that varies during the year, from 13 h 14 m' to 10 h 46 m'
  life form geophyte
  brightness    partial shade
inflorescence    length 40 - 70 cm  (16" L 28"), basal
  nr flowers 8 - 12
  size single flower  4 L 4 cm  (1.6" L 1.6")
  duration inflorescence50 - 60 days
  time to bloom from birth, ≈ 100 days
CITES appendix II


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