The orchid Guarthroleya Judy Congdon is a hybrid in the
Guarthroleya genus.
registered with the Royal Horticultural Society
by L.Glicenstein in 2012.
Registered parents are
Cattlianthe Humming Bird
×
Caularthron bicornutum.
The key influencing species of this hybrid are
Caularthron bicornutum (50.00%
)
Cattleya loddigesii (31.25%
subgenus
Intermediae
)
Guarianthe bowringiana (12.50%
subgenus
Circumvola
section:
Moradae
)
listed in order of their genetic contribution.