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| taxonomy |
described by |
(Reichenbach f.) Pfitzer, Ernst Hugo Heindrich |
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published in |
Botanische Jahrbücher für Pflanzengeschichte und Pflanzengeographie 19 : 40 1895 |
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family |
Orchidaceae |
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subfamily |
Cypripedioideae |
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tribe |
-- |
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subtribe |
-- |
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genus |
Paphiopedilum Pfitzer 1886 |
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section |
Barbata Kränzlin 1897 |
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chromosomes |
2n = 32 |
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metabolism |
CAM pathway, stomata of the leaves are open at night. |
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(K.Silvera, L.S. Santiago, J.C. Cushman, K. Winter - International Symposium on Plant Biology, August 2013) |
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it is useful give the soluble mineal nutriens, on the roots. |
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| native of |
origins |
primary mist forests, in Thailand (Loei, Central and Eastern Province, Ping River, northwest, Chiengmai, |
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Me Tun), Cambodia |
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altitude |
300 - 2000 m (990 - 6600 ft) |
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habitat |
climate informations from Loei (Loei, Thailand) |
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Köppen climate classification : Aw, tropical savanna climate (with a dry season and a rainy season) |
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the weather station data (temperatures are calculated for an altitude of 1150 m / 3800 ft): |
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 |
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photoperiod |
in Loei this orchid blooms with a photoperiod, which varies during the year, from 13 h 09 m' to 10 h 51 m' |
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life form |
geophyte in debris of leaves on soils rich in silicates or granite rocks |
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to bloom induction, need a december rest (Lance A. Birk) |
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brightness |
partial shade to low |
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| inflorescence |
length |
14 - 16 cm (5.6" - 6.4"), from the base of the leaves |
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nr flowers |
1 - 2 |
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size |
single flower 8 L 7 cm (3.2" L 2.8") |
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duration |
single flower 60 days |
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time |
from birth to bloom, about 70 - 80 days |
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| CITES |
appendix |
I |
