Paphiopedilum callosum, var. subleave

,orchids, botanical
orchids, tropical orchids, orchids collection,
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. subleave 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 Kranlin 1897
  chromosones     (32 (Lance A. Birk)

CAM pathway, stomata of the leaves are open at night.    it is useful give the 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)
  life form geophyte in debris of leaves, on silicic soils
  brightness low
inflorescence     length 12 cm (4.8")
  nr flowers 1
  size inflorescence 6 L 7 cm (2.4" L 2.8" )
  duration inflorescence ≈ 40 days
  time to bloom from birth, ~ days
CITES appendix I

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