Bulbophyllum rufinum

Bulbophyllum rufinum 

Bulbophyllum rufinum                                                                                                                                                    photo C. Solimbergo
   
taxonomy described by Reichenbach, Heinrich Gustav 
  published in         Xenia Orchidacea  3 : 44 - 45 . pl . 219 . f . 1    1881
     
   Family Orchidaceae
  Subfamily   Epidendroideae
  Tribe Malaxideae 
  Subtribe Dendrobiinae
  Genus Bulbophyllum  Thouras  1822
  Section Anisopetalum  (Hooker f.) Lindley 1846
     
  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 forests, on tree trunks, in Burma, Cambodia, Laos, Thailand (Koa Saming, Krat, Doi supeng, Chiengmai, ),
    Viet Nam, China (Yunnan)
  altitude  150 - 1000 m  (500 - 3300 ft)         
  habitat climate informations from Doi Sutep (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 550 m / 1815 ft) :
    Bulbophyllum rufinum a gr uk
  photoperiod in Doi Sutep this orchid bloom with a photoperiod, that varies during the year, from 13 h 18 m' to 10 h 42 m'
  life form epiphyte
  brightness   partial shade to sunny
     
inflorescence     length 36 - 40 cm  (14.4" - 16"), basal 
  nr flowers 26 - 30
  size single flower  0.6 L 0.2 cm  (0.24" L 0.08") - inflorescence  36 L 3 cm  (14.4" L 1.2")
  duration inflorescence30 days
  time to bloom from birth, ≈ 25 - 30 days
     
CITES appendix II

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