Vanda coerulea

Vanda coerulea 1Vanda coerulea 2

Vanda coerulea                                                                                                                                                                 photo C. Solimbergo
taxonomy described by (Lindley)  Griffith, William
  published in        Edwars's Botanical Register  33 : sub pl . 30    1847
  family Orchidaceae
  subfamily Epidendroideae
  tribe Vandeae
  sottotribù Aeridinae
  genus Vanda  (R Brown)  Jones 1820
  chromosomes  2n = 38
  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 deciduous forests in Bangladesh (east Bengal), India (Mt. Khasiya, Kurtuing), Burma, Thailand, China (Yunnan)
    almost disappeared in the wild
  altitude  900 - 1800 m (2970 - 5940 ft)
  habitat climate informations from Dinajpur (Rangpur, Bangladesh)
    Köppen climate classification : Cfa, humid subtropical climate in all seasons, with very hot summers
    the weather station data (temperatures are calculated for an altitude of 1350 m / 4450 ft) :
    Vanda coerulea b gr uk
  photoperiod in Dinajpur this orchid bloom with a photoperiod, that varies during the year, from 13 h 42 m' to 10 h 18 m'
  life form epiphyte
  brigthness    full sun 
inflorescence     length 50 - 60 cm (20" - 24"), axillary
  nr flowers 8 - 10, fragrants
  size single flower  8 L 8 cm  (3.2" L 3.2") - inflorescence  36 L 18 cm  (14.4" L 7.2")
  duration inflorescence50 - 70 days
  time to bloom from birth, ≈ 70 - 80 days
CITES appendix



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