Paphiopedilum hirsutissimum

Paphiopedilum hirsutissimumPaphiopedilum hirsutissimum 2

Paphiopedilim hirsutissimum                                                                                                                                         photo C. Solimbergo
taxonomy described by (Lindley ex Hooker f.)  Stein, Berthold
  published in       Orchideenbuch  470    1892
  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 India (Manipur, Darjeeling, Kalimpong), Burma, Laos, Viet Nam (Cao Bang, Ha Giang, Hoa Binh, Son La),
    China (Guangxi, Guizhou, Yunnan, Label)
  altitude 100 - 1900 m  (330 - 6270 ft)
  habitat climate informations from Tushuba (Guizhou, China) 
    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 1000 m / 3300 ft) :
    Paphiopedilum hirsutissimum b gr uk
  photoperiod  in Tushuba this orchid blooms with a photoperiod, which varies during the year, from 13 h 53 m' to 10 h 07 m'
  life form litophyte or geophyte in leaves debris or on limestone rocks covered with moss
    bloom induction, lowering the temperature in december to 6°-7°  (43°-44°)  (Lance A. Birk)
  brightness partial shade to low
inflorescence     length 16 cm (6.4") 
  nr flowers
  size single flower 9 L 11 cm (3.6" L 4.4") 
  duration single flower ≈ 90 days      
  time to bloom from birth, ≈ days
CITES appendix  I

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