Cymbidium tracyanum


Cymbidium tracyanum 1Cymbidium tracyanum 2

Cymbidium tracyanum                                                                                                                                                    photo C. Solimbergo
taxonomy described by Rolfe, Robert Allen
  published in      Journal of horticulture, cottage gardener and country gentleman  21 : 513    1830
  family Orchidaceae
  subfamily Epidendroideae
  tribe Cymbidieae
  subtribe Cymbidiinae
  genus Cymbidium  Swartz 1799
  chromosomes   2n = 40
  metabolism  C3 pathway, stomata of the leaves are open during the day. 
    (K.Silvera, L.S. Santiago, J.C. Cushman, K. Winter - International Symposium on Plant Biology, August 2013)
    soluble mineral nutriens are effective both, foliar or on the roots.
native of origins damp shaded forests, often overhanging rivers' water, in Burma, Thailand (Doi Angkà,  
    Loei, Doi InthanonMè Kà Pàk, Chiang Dao, Chiengdao, Nan, Phu Hin Rong Kla National Park),
    China (Yunnan, Guizhou, Xizang, Zizhiqu, Mengzi, Mengtsz)
  altitude 1200 - 1829 m  (3960 - 6036 ft)
  habitat climate informations from Loei (Phu Hin Rong Kla National Park, Thailand)
    Köppen climate classification : Aw, tropical savanna climate (with a dry season and a rainy season)
    the weather station data (temperatures are calculated for an altitude of 1500 m / 4950 ft) :
    Cymbidium tracyanum a gr uk
  photoperiod in Loei this orchid bloom with a photoperiod, that varies during the year, from 13 h 09 m' to 10 h 51 m'
  life form epiphyte or litophyte
  brightness   sunny
inflorescence    length 60 - 90 cm  (24" - 36"), basal 
  nr flowers 12 - 14, fragrants
  size single flower  5 L 12 cm  (2" L 4.8") - inflorescence  45 L 20 cm  (18" L 8")
  durata inflorescence40 days
  time to bloom from birth, ≈ 80 - 90 days     
CITES appendix II

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