Geodorum terrestre

Geodorum citrinum 

Geodorum terrestre                                                                                                                                                          photo C. Solimbergo
(Geodorum citrinum
taxonomy described by (Linnaeus)  Garay, Leslie Andrew
  publisced in  Harvard Papers in Botany  11 : 47, f . 1    1997
  family Orchidaceae
  subfamily Epidendroideae
  tribe  Cymbidieae
  subtribe Eulophiinae
  genus Geodorum  G. Jackson  1811

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 rainforests of Bangladesh, Burma, Thailand (Doi Chiengdao, Hayes, Krabin Buri, Me Ta, Pre, Songkla, 
    Lampung, Ban Prakawp, Mênam Sak, Saraburi, Banang Sta, Pattani, Ban Kawp Kep, Surat, Betong, 
    Mê Tûn, Hui Yang,Prachuap, Siep Tûn, Chumpawn, Ban Beung), Malaysia (Grik Perak),
    Indonesia (Java, Moluccas, Sulawesi), Australia, Pacific Islands
  altitude 10 - 700 m (33 - 2310 ft)

climate informations from Mertoyudan (Central Java, Indonesia)

    Köppen climate classification : Af, humid tropical climate of the rainforest
    (no winter season, more abundant rainfall)
    the weather station data (temperatures are calculated for an altitude of 350 m / 1155 ft) :
    Geodorum terrestre a gr uk
  photoperiod   in Mertoyudan this orchid bloom with a photoperiod, that varies during the year, from 12 h 29 m' to 11 h 31 m'
  life form geophyte
  brightness    low
inflorescence    length 28 - 32 cm (11.2" - 12.8"), basal
  nr flowers 12 - 16, fragrants
  size single flower  4 L 5 cm  ( 1.6" L 2") - inflorescence  L  cm
  duration inflorescence ≈ 60 - 70 days 
  time to bloom from birth, ≈ 60 days  
CITES appendix II

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