Paphiopedilum bellatulum

Paphiopedilum bellatulum
Paphiopedilum bellatulum                                                                                                                                            photo C. Solimbergo
taxonomy described by (Reichenbach f.) Stein, Berthold
  published in        Orchideenbuch  456    1892
  family Orchidaceae
  subfamily Cypripedioideae
  tribe --
  subtribe --
  genus Paphiopedilum Pfitzer 1886
  section Brachypetalum 
  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 decidous forests, bamboo thickets, in India (Assam, Shan Plateau), Burma, Thailand (Khorat Plateau
    Me Ping Rapid, Doi Chiengdao, Sriracha), China (Guangxi, Guizhou, Yunnan, Mong Pang)
  altitude 220 - 1800 m  (726 - 5940 ft)
  habitat climate informations from Yuanmou (Yunnan, 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 bellatulum b gr uk
  photoperiod  in Yuanmou this orchid blooms with a photoperiod, which varies during the year, from 13 h 42 m' to 10 h 18 m'
  life form geophyte on calcareous soils covered with moss
    to bloom induction, need a december rest    (Lance A. Birk)
  brightness    low in summer, partial shade in winter
inflorescence    length 3 cm (1.2") 
  nr flowers
  size single flower 5 L 5 cm (2" L 2") 
  duration ≈ 50 days
  time to bloom from birth, ≈60 - 80 days
CITES appendix I

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