Phragmipedium Sedenii Candidum
Phragmipedium longifolium x phragmipedium schlimii
Phragmipedium Sedenii is an orchid hybrid originated by Veitch in 1873. It is a cross of Phrag. longifolium x Phrag. schlimii. It is considered a "primary hybrid" because it is a cross between two species found in nature.