The orchid Cattleya Edwa Stewart is a hybrid in the
Cattleya genus.
registered with the Royal Horticultural Society
by McCulloch in 1959.
It is originated by Calvin Orchids
Registered parents are
Cattleya Grandee (1937)
×
Cattleya Alice Shirai.
The key influencing species of this hybrid are
Cattleya dowiana (37.50%
subgenus
Cattleya
section:
Cattleya
)
Cattleya gaskelliana (12.50%
subgenus
Cattleya
section:
Cattleya
)
Cattleya mossiae (12.50%
subgenus
Cattleya
section:
Cattleya
)
listed in order of their genetic contribution.