Dendrobium nobile

Dendrobium nobile var tollianum

Dendrobium nobile                                                                                                                                                          photo C. Solimbergo
taxonomy         described by Lindley, John
  published in    The Genera and Species of Orchidaceous Plants  79    1830
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium Swartz 1799
  chomosomes  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 forest on branches or on limestone rocks covered with moss, in India (Sikkim, Kalimpong,
    Rimbik forest, Darjeeling), Nepal, Bhutan (Trashiyangtse, Nagton), Burma, Thailand, Laos (Muang Cha,
    Chieng Kwang), Viet Nam (Cao Bang, Ha Giang, Hoa Binh, Kon Tum, Son La, Nghe An, Lao Cai),
    China (Guangxi, Guizhou, Hainan, Bai Sha, Hubei, Sichuan, Xizang, Zizhiqu, Mdog) Hong Kong (Yi Chang) 
  altitude 200 - 2200 m (660 - 7260 ft)
  habitat informazioni sul clima di Heba (Guangxi, China)
    classificazione del  clima di Köppen : Cfa, humid subtropical climate in all seasons, with very hot summers
    i dati della stazione metereologica (le temperature sono calcolate per una altitudine di 1200 m / 3960 ft) :
    Dendrobium nobile a gr uk
  photoperiod in Heba this orchid bloom with a photoperiod, that varies during the year, from 13 h 53 m' to 10 h 07 m'
  life form epiphyte
  brightness     sunny 
inflorescence     length 3 cm  (1.2"), from the upper nodes
  nr flowers 2 - 3, fragrants
  size single flower  8 L 8 cm  (3.2" L 3.2") - inflorescence  8 L 16 cm  (3.2" L 6.4")
  duration inflorescence30 days
  time to bloom from birth, ≈ 140 - 150 days 
CITES appendix II

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