Dendrobium unicum

Dendrobium unicumDendrobium unicum 3

Dendrobium unicum                                                                                                                                                      photo C. Solimbergo
taxonomy         described by Seidenfaden, Gunnar
  published in    Botanisk Tidsskrift  65 : 332    1970
  family Orchidaceae
  subfamily Epidendroideae
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium Swartz 1799

2n = 38  


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 deciduous, semi-deciduous forests, on rocks or bushes in Thailand (Omkoi, Loei), Viet Nam
    and Laos (Vientiane, Sedone)
  altitude 500 - 1550 m  (1650 - 5115 ft)

climate informations from Omkoi (Chiang Mai, Thailand)

    Köppen climate classification : Aw, tropical savanna climate (with a dry season and a rainy season)
    the weather station data (temperatures are calculated for an altitude of 1000 m / 3300 ft) :
    Dendrobium unicum a gr uk
  photoperiod in Omkoi this orchid bloom with a photoperiod, that varies during the year, from 13 h 15 m' to 10 h 45 m'
  life form epiphyte or litophyte 
  brightness    sunny
inflorescence     length 3 cm (1.2"), from the upper nodes
  nr flowers 1 - 2, fragrants
  size single flower  2 L 3 cm  (0.8" L 1.2") - depth 3 cm (1.2")
  duration inflorescence ≈ 45 days
  time to bloom from birth, ≈ 60 days
CITES appendix II

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