The orchid Phragmipedium Giganteum is a hybrid registered with the Royal Horticultural Society by Veitch in 1894.
Top three species ancestors and their influences are

• Phragmipedium caudatum (50.00%)  section: Phragmipedium 
• Phragmipedium longifolium (25.00%)  section: Lorifolia 
• Phragmipedium humboldtii (25.00%)  section: Phragmipedium