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| taxonomy |
desribed by |
Walter, Thomas |
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published in |
Flora Caroliniana, secundum . . . 222. 1788 |
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| forma albolabium |
desribed by |
Rolfe, Robert Allen |
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published in |
Orchid Review 19: 208. 1911 |
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| taxonomy |
family |
Orchidaceae |
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subfamily |
Cypripedioideae |
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tribe |
-- |
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subtribe |
-- |
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genus |
Cypripedium Lindley 1753 |
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section |
Cypripedium |
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chromosones |
2n = 20 |
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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 |
wetlands, tamarak and black spruce woods, in Canada (Manitoba, Ontario, Quebec, Saskatchewan), |
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Stati Uniti (Alabama, Georgia, Illinois, Iowa, Maryland, Michigan, Minnesota, Missouri, Carter, |
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Douglas, Howell, Iron, Ozack, Putnam, Shannon, North Carolina, North Dakota, Ohio, Tennessee, |
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West Virginia, Indiana, Steuben) |
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altitude |
105 – 232 m (346 – 700 ft) |
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habitat |
climate informations from Berens River (Manitoba, Canada)
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Köppen climate classification : Dfb, cold weather, humid, with warm summer |
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the weather station data (temperatures are calculated for an altitude of 160 m / 530 ft) : |
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 |
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photoperiod |
in Berens River this orchid bloom with a photoperiod, that varies during the year, from 15 h 29 m' to 8 h 31 m' |
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life form |
geophyte |
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brightness |
partial shade |
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| inflorescence |
length |
11 cm (4.4") |
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nr flowers |
1 |
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size |
single flower 6 L 8 cm (2.4" L 3.2") |
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duration |
single flower ≈ 20 days |
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time |
to bloom from birth, ≈ 20 days |
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| CITES |
appendix |
II |
