Paphiopedilum armeniacum

Paphiopedilum armeniacum

Paphiopedilum armeniacum                                                                                                                                           photo C. Solimbergo
  
taxonomy described by Chen, Sing Chi  &  Liu, Fang-yuan
  published in      Acta Botanica Yunnanica  4 ( 2 ) : 163 - 165 , pl . 1 , f . 1 - 4    1982
     
  family Orchidaceae
  subfamily Cypripedioideae
  tribe --
  subtribe --
  genus Paphiopedilum Pfitzer 1886
  section  Parvisepalum  (Karasawa & Saito)  Cribb 1987 
     
  chromosomes     2n = 26
  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 Viet Nam (Tonkin), China (Yunnan, Bijiang, Nu Jang, Salween River, border between Burma and China)
  altitude 1400 - 2100 m  (4620 - 6930  ft)
  habitat climate informations from Shilin Stone Forest (Yunnan, China) 
    Köppen climate classification : Cwb, humid subtropical climate, with hot summer
    the weather station data (temperatures are calculated for an altitude of 1750 m / 5800 ft) :
    Paphiopedilum armeniacum b gr uk
  photoperiod in Shilin this orchid blooms with a photoperiod, which varies during the year, from 13 h 38 m' to 10 h 22 m'
  life form geophyte, on limestone rocks and leafy humus
    bloom iduction, with a winter rest    (Lance A. Birk)
  brightness    partial shade to low
     
inflorescence     length 20 - 25 cm (8" - 10"), from the base of leaves
  nr flowers
  size single flower  8 L 8 cm  (3.2 L 3.2") 
  duration single flower  ~ 60 days
  time to bloom from birth, ~ 60 days
     
CITES appendix I

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