Dendrobium nobile var formosanum

Dendrobium nobile var cooksonianum

Dendrobium nobile var. formosanum                                                                                                                            photo C. Solimbergo
taxonomy      described by Lindley, John
  published in     The Genera and Species of Orchidaceous Plabnts  79    1830
var. formosanum     described by Reichenbach, Heinrich Gustav
  published in The Gardens' Chronicle, new series  19 : 432    1883
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium  Swartz 1799
  chromosomes  2n = 40   

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 Taiwan
  altitude ≈ 1000 m (3300 ft) 

climate informations from Dazhukeng (Taiwan)

    Köppen climate classification Cfb, humid subtropical climate in all seasons, with hot summers
    the weather station data (temperatures are calculated for an altitude of 1000 m / 3300 ft) :
    Dendrobium nobile formosanum a gr uk
  photoperiod in Dazhukeng this orchid bloom with a photoperiod, that varies during the year, from 13 h 32 m' to 10 h 28 m'
  life form epiphyte or litophyte
  brightness    sunny  
inflorescence    length 3 - 6 cm (1.2" - 2.4"), from the upper nodes 
  nr flowers 4 - 5, fragrants
  size single flower  6 L 7 cm  (2.4" L 2.8") - inflorescence  6 L 15 cm  (2.4" L 6")
  duration inflorescence30 - 40 days
  time to bloom from birth, ≈ 120 - 150 days   
CITES appendix II

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