Dendrobium lawesii

Dendrobium lawesii

Dendrobium lawesii                                                                                                                                                        photo C. Solimbergo
taxonomy         described by von Mueller, Ferdinand Jacob Heinrich
  published in        Melbourne Chemist & Druggist    june 1884
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium Swartz 1799
  chromosomes  2n = 38  
  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

cloud mist forests, the lower part of the trunks or lower of large branches, in Papua (Finisterre, Markham, 

    Ramu Vallwey, Maboro, Waria, Dischore Range, Patep, Ibo, Bismark Range, Mt. Garatun, New Ireland,
    Sepik, Enga), Solomon (Guadalcanal) and Bouganville Islands
  altitude 800 - 2000 m (2640 - 6600 ft)
  habitat climate informations from Vanimo (Sepik, Papua)
    Köppen climate classification : Af, humid tropical climate of the rainforest
    (no winter season, more abundant rainfall)
    the weather station data (temperatures are calculated for an altitude of 1400 m / 4620 ft) :
    Dendrobium lawesii a gr uk
  photoperiod in Vanimo this orchid bloom with a photoperiod, that varies during the year, from 12 h 10 m' to 11 h 50 m'
  life form epiphyte
  brightness    partial shade or low
inflorescence     length 2 - 3 cm (0.8" - 1.2"), from the upper nodes  
  nr flowers 4 - 8
  size single flower  1.5 L 0.6 cm  (0.6" L 0.24") - depth 3 cm (1.2")
  duration inflorescencedays
  time to bloom from birth, ≈ 30 - 40 days    
CITES appendix II

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