The orchid Tolumnia Alexandria is a Tolumnia hybrid.
registered with the Royal Horticultural Society
by W.W.G.Moir in 1967.
Registered parents are
Tolumnia Lovely
×
Tolumnia pulchella (syn Tolumnia × pulchella).
The key influencing species of this hybrid are
Tolumnia guttata (31.25%
)
Tolumnia hamiltonii (31.25%
)
Tolumnia triquetra (25.00%
)
listed in order of their genetic contribution.