The orchid Tolumnia Anna Rosa is a hybrid in the
Tolumnia genus.
registered with the Royal Horticultural Society
by W.W.G.Moir in 1957.
Registered parents are
Tolumnia velutina (syn Tolumnia variegata)
×
Tolumnia x pulchella.
The key influencing species of this hybrid are
Tolumnia variegata (50.00%
)
Tolumnia guttata (25.00%
)
Tolumnia hamiltonii (25.00%
)
listed in order of their genetic contribution.