Dendrobium moschatum var unguipetalum

Dendrobium moschatum roseo

Dendrobium moschatum, var. unguipetalum                                                                                                              photo C.Solimbergo
taxonomy         described by (Buchanan-Hamilton)  Swartz, Olof (Peter)
  published in     Neues Journal für die Botanik  1 : 94    1805
var. unguipetalum     described by Barua, Iswar Chandra
  published in Orchid Flowers Kamrup Distr. Assam  160    2001
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium  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 open forests, on top of tall deciduous trees, in Bangladesh, India (Assam, Sikkim, Dehra Dun, Relli-Pala,
    Samalbong forest, Kalimpong), Nepal, Bhutan, Burma, Thailand (Doi Sutep, Chiengmai), Laos, Viet Nam,
    China (Yunnan)
  altitude 300 - 900 (2000) m  (990 - 2790 (6600) ft)
  habitat climate informations from Jinghong (Yunnan, China)
    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 600 m / 1980 ft) :
    Dendrobium moschatum unguipetalum a gr uk
  photoperiod in Jinghong this orchid bloom with a photoperiod, that varies during the year, from 13 h 26 m' to 10 h 34 m'
  life form epiphyte
  brightness    sunny
inflorescence     length 16 - 18 cm  (6.4" - 7.2"), from the upper nodes  
  nr flowers 8 - 11, fragrants
  size single flower  8 L 8 cm  (3.2" L 3.2") -inflorescence  16 L 18 cm  (6.4" L 7.2")
  duration inflorescence6 - 7 days
  time to bloom from birth, ≈ 40 days 
CITES appendix II

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