Dendrobium speciosum

Dendrobium speciosum 2 

Dendrobium speciosum                                                                                                                                                 photo C. Solimbergo
taxonomy described by Smith, James Edward
  published in    Exotic Botany  1 : 17, t . 10    1805 
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium Swartz 1799
  chromosomes   2n = 38  

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 open forests, from the coast to about 200 km. inside, on the rocks at the base of cliffs or ravines, in
Australia (
Victoria Genoa, New South Wales Bulahdelah, Bulahdelah, Mudgee, Nowra, Sidney, Blue Montains)) 
  altitude 0 - 600  m  (0 - 1980 ft)

climate informations from Mudgee (New South Wales, Australia)

    Köppen climate classification : Cfb, humid subtropical climate in all seasons, with hot summers
    the weather station data (temperatures are calculated for an altitude of 300 m / 990 ft) :
    Dendrobium speciosum a gr uk
  photoperiod in Mudgee this orchid bloom with a photoperiod, that varies during the year, from 14 h 10 m' to 9 h 50 m'
  life form litophyte or epiphyte
  brightness    partial shade
inflorescence     length 38 - 63 cm  (15.2" L 25.2"), apical  
  nr flowers 50 - 62, fragrants
  size single flower  3 L 3 cm  (1.2" L 1.2") - inflorescence  33 L 10 cm  (13.2" L 4")
  duration inflorescence50 days
  time to bloom from birth, ≈ 60 days    
CITES appendix II



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