Cymbidium insigne forma album

Cymbidium insigne var alba

Cymbidium insigne

Cymbidium insigne, forma album                                                                                                                           photo C. Solimbergo
taxonomy described by Rolfe, Robert Allen
  published in      The Gardeners' Chronicle & Agricultural Gazette  3 35 ( 1 ) : 387    1904
forma album described by Gruss, Olaf  & Wolff, Manfred
  published in  Orchid Atlas  97    2007 
taxonomy family Orchidaceae
  subfamily Epidendroideae
  tribe  Cymbidieae
  subtribe Cymbidiinae
  genus Cymbidium  Swartz 1799
  chromosomes     2n = 40 
  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 primary cloud forests, in  Viet Nam (Annan, Kon Tum), Thailand (Loei, Phy Huang), China (Hainan)
  altitude 1000 - 2600 m  (3300 - 8580 ft)
  habitat climate informations from Kon Thun (Kon Thun, Viet Nam)
    Köppen climate classification : Cfa, humid subtropical climate in all seasons, with very hot summers
    the weather station data (temperatures are calculated for an altitude of 1800 m / 5940 ft) :
    Cymbidium insigne a gr uk
  photoperiod in Kon Thun this orchid bloom with a photoperiod, that varies during the year, from 12 h 57 m' to 11 h 03 m'
  life form geophyte in sandy or stony soil
  brightness   sunny
inflorescence   length 110 - 120 cm  (44" - 48"), basal 
  nr flowers 12 - 14
  size single flower  6 L 7  (2.4" L 2.8") - inflorescence  22 L 12 cm  (8.8" L 4.8")
  duration inflorescencedays
  time to bloom from birth, ≈ 120 days
CITES appendix II

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