Dendrobium tetragonum, var. giganteum

Dendrobium tetragonum 

Dendrobium tetragonum, var. giganteum                                                                                                                    photo C. Solimbergo
taxonomy      described by Cunningham, Allan
  published in Edwards's Botanical Register  25 : misc. 33    1839
var. giganteum    described by Gilbert, P. A.
  published in Australian Orchid Rewiew  2 ( 4 ) : 20    1937
  family Orchidaceae
  subfamily     Epidendroideae 
  tribe Malaxideae
  subtribe Dendrobiinae
  genus Dendrobium Swartz 1799

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 near the coast in moist ravines or gorges, rainforest in Australia (Queensland, New South Wales,
    south of Sidney, to Brisbane, Cook, Mt. Lewis, Mossman, Mt. Molloy, Coox, North Coas, Grafton area)
  altitude 500 - 1000 m  (1650 - 3300 ft)

climate informations from Cooktown (Queensland, Australia)

    Köppen climate classification As, humid tropical climate, without a winter season, with dry summer climate
    the weather station data (temperatures are calculated for an altitude of 750 m / 2475 ft) :
    Dendrobium tetragonum a gr uk
  photoperiod in Cooktown this orchid bloom with a photoperiod, that varies during the year, from 13 h 00 m' to 11 h 00 m'
  life form epiphyte
  brightness    partial shade to low
inflorescence     length 2 - 3 cm  (0.8" - 1.2"), apical
  nr flower 4 - 6, fragrants
  size single flower  10 L 3 cm  (4" L 1.2")
  duration  single flower ≈ 30 days
  time to bloom from birth, ≈ 15 days  
CITES appendix II

NOTE! This site uses cookies and similar technologies.

If you not change browser settings, you agree to it.

I understand