Renanthera vietnamensis

Renanthera vietnamensis

Renanthera vietnamensis                                                                                                                                                photo C. Solimbergo
   
taxonomy described by Averyanov, Leonid V.  &  Rice, Rod
  published in       Oasis, the Journal  2 ( 3 ) : 3    2002
     
  family Orchidaceae
  subfamily Epidendroideae
  tribe Vandeae
  subtribe Aeridinae
  genus Renanthera  Loureiro 1790
     
  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 primary forests in northern Viet Nam (Dien Bien, Son La)
  altitude 900 - 1200 m (2970 - 3960 ft)
  habitat climate informations from Dien Bien Phu (Dien Bien, Viet Nam)
    Köppen climate classification : Cwa, humid subtropical climate, with very hot summer
    the weather station data (temperatures are calculated for an altitude of 1050 m / 3465 ft) :
    Renanthera vietnamensis b gr uk
  photoperiod in Dien Bien Phu this orchid bloom with a photoperiod, that varies during the year, from 13 h 25 m' to 10 h 35 m'
  life form epiphyte or litophyte
  brigthness    partial shade
     
inflorescence     length 16 cm  (6.4"), axillary
  nr flowers 7 - 9
  size single flower  5.5 L 3.5 cm  (2.2" L 1.4") - inflorescence  18 L 6 cm  (7.2" L 2.4")
  duration inflorescence60 days
  time to bloom from birth, ≈ 30 - 40 days           
     
CITES appendix  

                                                                                                                        

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