Paphiopedilum callosum, var. subleave


Paphiopedilum callosum var. sublaeve
Paphiopedilum callosum, var.subleave                                                                                                                           photo C. Solimbergo
taxonomy     desribed by (Reichenbach f.) Pfitzer, Ernst Hugo Heinrich
  published in     Botanische Jahrbüchen für Systematic Pflanzengeschichte und Pfanzengeographie 19 : 40   1895
var. sublaeve desribed by (Reichenbach f.) Cribb, Phillip James
  published in Genus Paphiopedilum 188   1987
  family             Orchidaceae        
  subfamily Cypripedioideae
  tribe --
  subtribe --
  genus Paphiopedilum Pfitzer 1886  
  subgenus Paphiopedilum Atwood 1984
  section Barbata Kranzlin 1897
  chromosones      2n = 32
  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 South of Thailand and North of Malaysia (Penang, from Gunong Beor to Gunong Ophir, Gunong Jerai, Kedak Peak)
  altitude ≈ 1000 m (3300 ft )
  habitat climate informations from Penang Hill (Penang, Malaysia) 
    Köppen climate classification : Af, humid tropical climate of the rainforest
    (without a winter season, more and abundant rainfall)
    the weather station data (temperatures are calculated for an altitude of 1000 m / 3300 ft):
    Paphiopedilum callosum subleave b gr uk
  life form geophyte in debris of leaves, on siliceous soils
  photoperiod in Penang Hill this orchid blooms with a photoperiod, which varies during the year, from 12 h 21 m' to 11 h 39 m'
  brightness low
inflorescence     length 12 cm (4.8" )
  nr flowers 1
  size single flower 6 L 7 cm (2.4" L 2.8")
  duration single flower ~ 40 days 
  time to bloom from birth, ~  days
CITES appendix I


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