The orchid Phalaenopsis Ruth Thelma is a hybrid in the
Phalaenopsis genus.
registered with the Royal Horticultural Society
by G.Kenyon in 1980.
It is originated by Wm.Kirch Orchids
Registered parents are
Phalaenopsis Manoa
×
Phalaenopsis sanderiana.
The key influencing species of this hybrid are
Phalaenopsis sanderiana (53.13%
subgenus
Phalaenopsis
section:
Phalaenopsis
)
Phalaenopsis pulcherrima (25.00%
subgenus
Parishianae
section:
Esmeralda
)
Phalaenopsis amabilis subsp. amabilis (10.94%
)
listed in order of their genetic contribution.