Dendrobium kingianum var. silcockii

Dendrobium kingianum .2

Dendrobium kingianum var. silcockii                                                                                                                           photo C. Solimbergo
taxonomy         described by Bidwill, John Carne
  published in       Edwards's Botanical Register  30 : misc. 11    1844
var. silcockii described by Bailey, Frederick Manson
  publishd in The Queensland Flora  5 : 1528    1902
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus  Dendrobium Swartz 1799
  chromosomes      2n = 40 - 76  
  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 open forests on the coast, often on cliffs or ravines, in Australia (Queensland, Hunter River, 
New SouthWales, Carnarvon Gorge)
  altitude 0 - 1200 m (0 - 4000 ft)
  habitat climate informations from Paddy Flat (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 600 m / 1980 ft) :
    Dendrobium kingianum silcockii a gr uk
  photoperiod in Paddy Fla this orchid bloom with a photoperiod, that varies during the year, from 13 h 54 m' to 10 h 06 m'
  life form litophyte
  brightness    sunny to full sun
inflorescence     length 8 - 10 cm  (3.2" - 4"), from the upper nodes
  nr flowers 5 - 6 , fragrants
  size single flower  2 L 2,5 cm  (0.8" L 1") - inflorescence  5 L 4 cm  (2" L 1.6")
  duration inflorescence20 days
  time to bloom from birth, ≈ 40 - 60 days    
CITES appendix II

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