Paphiopedilum appletonianum

Paphiopedilum appletonianum 2Paphiopedilum wolterianum

Paphiopedilum appletonianum                                                                                                                                       photo C. Solimbergo
taxonomy described by (Gower) Rolfe, Robert Allen
  published in      Orchid Review  4 : 364    1896
  family Orchidaceae
  subfamily Cypripedioideae
  tribe --
  subtribe --
  genus Paphiopedilum  Pfitzer 1886
  section Barbata  Kränzlin 1897
  chromosomes 2n = 26, 28, 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 cloud evergreen forests in Thailand, Laos, Viet Nam (Dak Lak, Hhanh Hoa, Kon Tum, Lam Dong,  
    Ninh Thuan, Quang Binh), China (Guanxi, Hainan)
  altitude  900 - 1900 m  (2970 - 6270 ft)
  habitat climate informations from Lam Dong (Lam Dong, Viet Nam)
    Köppen climate classification : Cwb, humid subtropical climate, with hot summer
    the weather station data (temperatures are calculated for an altitude of 1500 m / 4950 ft) :
    Paphiopedilum appletonianum b gr uk
  photoperiod  in Lam Dong this orchid blooms with a photoperiod, which varies during the year, from 12 h 46 m' to 11 h 14 m'
  life form geophyte in debris of leaves, on siliceous soils onmoss covered roks
    bloom induction with december or january rest    (Lance A. Birk)
  brightness    partial shade to low
inflorescence     length 40 - 44 cm  (16" - 16.8"), from the base of leaves  
  nr flowers 1
  size single flower  7 L 11 cm  (2.8" L 4.4")
  duration single flower, ≈ 110 - 130 days    
  time to bloom from birth, ≈ 90 - 110 days
CITES appendix  I

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