Dendrobium spectabile

Dendrobium spectabileDendrobium spectabile  2

Dendrobium spectabile                                                                                                                                                  photo C. Solimbergo
taxonomy      described by (Blume)  Miquel, Anton Wilhelm
  published in    Flora van Nederlandsch Indie  3 : 645    1859
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  sottotribù 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

primary rain swamps forests with mangroves, in Papua (East Sepik, Hombrom Bluff, Variarate, Agaun,

    Port Moresby, Hombron Bluff, Musgrave River, Morobe, Atzera Range, Sepik), Islands of Bougainville, 
    Vanuatu, Solomon (Kolombangara, Malaita)
  altitude 0 - 1100 (2000) m  (0 - 3630  (6600 ) ft)

climate informations from Kerembitia (Vanuatu)

    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 550 m / 1815 ft) :
    Dendrobium spectabile a gr uk
  photoperiod in Kerembitia this orchid bloom with a photoperiod, that varies during the year, from 12 h 54 m' to 11 h 56 m'
  life form epiphyte
  brightness     sunny
inflorescence     length 24 - 28 cm  (9.6" - 11.2"), from the upper nodes  
  nr flowers 8 - 13
  size single flower  7 L 7 cm  (2.8" L 2.8") - inflorescence L  cm
  duration inflorescence ≈ 60 days
  time from birth to bloom, about 40 - 50 days      
CITES appendix II

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