Dendrobium nobile var alboluteum

Dendrobium schutzei

Dendrobium nobile var alboluteum                                                                                                                               photo C. Solimbergo
taxonomy      described by Lindley, John
  published in     The Genera and Species of Orcidaceous Plants  79   1830
var. alboluteum described by Huyen  &  Averyanov, Leonid
  published in Botanicnyj Zurnal  74 : 1039    1989
  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 India (Lava,Damsan Gari, Kaffer, Kalimpong, Takdah, Darjeeling)
  altitude 340 - 1600 m  ( 1122 - 5280 ft)
  habitat climate informations from Darjeeling (West Bengal, India)
    Köppen climate classification : Cwb, humid subtropical climate, with hot summer
    the weather station data (temperatures are calculated for an altitude of 700 m / 2310 ft) :
    Dendrobium nobile albaluteum a gr uk
  photoperiod in Darjeeling this orchid bloom with a photoperiod, that varies during the year, from 13 h 48 m' to 10 h 12 m'
  life form epiphyte
  brightness     sunny
inflorescence     length 3 cm (1.2"), from the upper nodes 
  nr flowers 2 - 4, fragrants
  size single flower  8 L 8 cm  (3.2" L 3.2") - inflorescence  10 L 15 cm  (4" L 6")
  duration inflorescence20 days
  time to bloom from birth, ≈ 50 - 60 days   
CITES appendix II

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