Arpophyllum spicatum

Arpophyllum spicatum 

Arpophyllum spicatum                                                                                                                                                     photo C.Solimbergo
taxonomy        described by de La Llave, Pablo  &  de Lexarza, Juan Josè Martinez 
  published in       Novarum Vegetabilium Descriptiones  2 (orch. opusc.) : 20    1825
  Family Orchidaceae 
  Subfamily  Epidendroideae
  Tribe Epidendreae 
  Subtribe Laeliinae
  Genus Arpophyllum  La Llave & Lexarza 1825
  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

open forests in Mexico (Chiapas, Oaxaca, Guerrero, Hidalgo, Temascaltepec), Belize (Toledo), 

    Guatemala (Sacatepèquez, Suchitepèquez), Honduras, Costa Rica
  altitude 1800 - 2575 m (5940 - 8500 ft)
  habitat climate informations from Huajuapan de Leon (Oaxaca, Mexico)
    Köppen climate classification : Cwb, humid subtropical climate, with hot summer
    the weather station data (temperatures are calculated for an altitude of 2000 m / 6600 ft) :
    Arpophyllum spicatum a gr uk
  photoperiod in Huajuapan de Leon this orchid bloom with a photoperiod, that varies during the year, from 13 h 10 m' to 10 h 50 m'
  life form epiphyte or litophyte
  brightness     partial shade
inflorescence lenght 20 - 22 cm  (8" - 8.8"), apical
  nr flowers 60 - 70
  size single flower  0.5 L 0.5 cm  (0.2" L 0.2") - depth  1 cm  (0.4") - inflorescence  12 L 4 cm  (4.8" L 1.6")
  duration inflorescence  ≈ 20 - 30 days
  time to bloom from birth, ≈ 120 days
CITES appendix II

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