Biology:Cypripedium Ulla Silkens
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Short description: Orchid hybrid
Cypripedium Ulla Silkens is a grex of ground orchid of the genus Cypripedium. It results from the cross of C. flavum (seed parent) and C. reginae (pollen parent). The grex was originated by J. Petersen and registered by S. Malmgren in 1996.[1]
References
- ↑ Cypripedium Ulla Silkens. The International Orchid Register, The Royal Horticultural Society. Accessed online: 23 February 2013.
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