Paphiopedilum esquirolei

 not yet in bloom

Paphiopedilum esquirolei               
taxonomy described by Schlechter, Friedrich Richard Rudolf
  published in       Repertorium Specierum Novarum Regni Vegetabilis, beihefte  4 : 39 - 40    1919
  family  Orchidaceae
  subfamily Cypripedioideae
  tribe  --
  subtribe --
  genus Paphiopedilum Pfitzer 1886
  section Paphiopedilum  (Karasawa & Saito)  Atwood 1984
  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 primary and secondary forests in Bangladesh, Burma, Thailand, Laos, Viet Nam (Cao Bang),
    China (Guangxi, Guizhou, Yunnan)
  altitude 1200 - 1800 m  (3960 - 5940 ft) 
  habitat climate informations from Cao Bang (Tonkin, Viet Nam) 
    Köppen climate classification : Cfa, humid subtropical climate in all seasons, with very hot summers
    the weather station data (temperatures are calculated for an altitude of 1500 m / 4950 ft) :
    Paphiopedilum esquirolei b gr uk
  photoperiod  in Cao Bang this orchid blooms with a photoperiod, which varies during the year, from 13 h 30 m' to 10 h 30 m'
  life form litophyte or geophyte in leaf litter, rich in humus, on limestone roks 
    to bloom induction, lowering night temperature for six weeks in december or january (Lance A. Birk)
  brightness    partial shade to low 
inflorescence     length   
  nr flowers  
  time to bloom from birth, ≈ days  
CITES appendix I

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