Rangaeris amaniensis

Rangaeris amaniensis 

Rangaeris amaniensis                                                                                                                                                     photo C. Solimbergo
     
taxonomy described by (Kraenzlin)  Summerhayes, Victor Samuel
  published in        Kew Bulletin  4 : 438    1949
     
  family  Orchidaceae
  subfamily Epidendroideae Lindley 1821
  tribe Vandeae
  subtribe Angraecinae
  genus Rangaeris  (Schlechter) Summerhays 1936
     
  chromosomes  2n = 92
  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 evergreen forests in Uganda, Zimbawe (Victoria, Umtali), Malawi, Ethiopia (Yavello, Mega),  
    Tanzania (Dodoma, Mpwapwa, Kilimanjaro, Mkuu, Musoma, Moshi, Mt. Lolbene, Mt. Ufiome, Amani,
    Mbulu, Marang forest, Mazumbai forest, Same, Usambara), Kenia (Laikipia, Nairobi, Chulu Hills)
  altitude 980 - 2010 m  (3234 - 6633 ft)
  habitat climate informations from Moshi (Mt. Kilimanjaro, Tanzania)
    Köppen climate classification : Cfb, humid subtropical climate in all seasons, with hot summers
    the weather station data (temperatures are calculated for an altitude of 1500 m / 4950 ft) :
    Rangaeris amaniensis b gr uk
  photoperiod in Moshi this orchid bloom with a photoperiod, that varies during the year, from 12 h 13 m' to 11 h 47 m'
  life form epiphyte
  brightness    partial shade
     
inflorescence     length 13 - 15 cm  (5.2" - 6"), axillary
  nr flowers 10 - 13
  size single flower  2.5 L 2.5 cm  (1" L 1") - spur  10 cm  (4") -  inflorescence  L  cm
  duration inflorescence20 days
  time to bloom from birth, ≈ 80 days 
     
CITES appendix II

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