Dendrobium thyrsiflorum

Dendrobium thyrsiflorum 

Dendrobium thyrsiflorum                                                                                                                                              photo C. Solimbergo
taxonomy      described by (Andrè)  Reichenbach, Heinrich Gustav
  published in     L' illustration horticole  22 : 88, pl. 207    1875
  family  Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium Swartz 1799
  chromosomes  2n = 40  

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 moss covered forests in India (Assam, Sikkim, Nagaland, Darjeeling, Manipur), Laos, 
    Burma (Tenasserim Range, Lake Inle, Bhamo), Thailand (Doi Sutep, Chiengmai, Pu Kio, Chaiyapum),
    Viet Nam (Dak Lak, Ha Giang, Ha Tinh, Hoa Binh, Kon Thum, Lai Chau, Nghe An, Quang Binh) 
    Son La, Thouh Hoa), China (Yunnan)
  altitude 762 - 2000 m  (2515 - 6600 ft)

climate informations from Kon Tum (Kon Thum, 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 1400 m / 4600 ft) :
    Dendrobium thyrsiflorum a gr uk
  photoperiod in Kon Tum this orchid bloom with a photoperiod, that varies during the year, from 12 h 57 m' to 11 h 03 m'
  life form epiphyte, litophyte or geophyte
  brightness     partial shade 
inflorescence     length 20 - 27 cm (8" - 10.8"), from the upper nodes
  nr flowers 28 - 32, fragrants
  size single flower  3.5 L 4.5 cm  (1.4" L 1.8") - inflorescence  18 L 11 cm  (7.2" L 4.4")
  duration inflorescence14 days
  time to bloom from birth, ≈ 80 - 90 days    
CITES appendix II

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