Oeoniella polystachys

Oeoniella polystachys 

Oeoniella polystachys                                                                                                                                                   photo C. Solimbergo
taxonomy described by (Thouras) Schlechter, Friedrich Richard Rudolf
  published in       Beiefte zum Botanischen Centralblatt  36 ( 2 ) : 177    1918
  family Orchidaceae
  subfamily Epidendroideae
  tribe Vandeae
  subtribe Angraecinae
  genus Oeoniella  Schlechter 1918
  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 humid forests in Madagascar (Antsiranana,Toamasina, Anosy, Masoala, Toliara, Ansirabe, Sambava, 
    Ambatondrazaka), Comoros, Mascarene, Seychelles
  altitude 0 - 1155 m  (0 - 3811 ft)

climate informations from Sambava (Sava, Antisaranana, Madagascar)


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 600 m / 1980 ft) :

    Oeoniella polystachys b gr uk
  photoperiod in Sambava this orchid blooms with a photoperiod, which varies during the year, from 12 h 57 m' to 11 h 03 m'
  life form epiphyte
  brightness    partial shade
inflorescence     length 10 - 13 cm  (4" - 5.2"), axillary
  nr flowers 8 - 10, fragrants
  size single flower   2 L 4 cm  (0.8" L 1.6") - inflorescence  12 L 4 cm  (4.8" L 1.6")
  duration inflorescence40 days
  time to bloom from birth, ≈ 80 - 90 days
CITES appendix II


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