Oncidium Durham Rialto, Charlesworth Div.McBean's 1990 (RHS)

Oncidium Golden Rialto × Oncidium Royal Occasion


Oncidium Durham Rialto orchid images, lineage and ancestry .
The orchid Oncidium Durham Rialto is a hybrid registered with the Royal Horticultural Society by Charlesworth Div.McBean's in 1990.
Top three species ancestors and their influences are
  • Oncidium alexandrae (56.25%)
  • Oncidium nobile (19.38%)  subgenus Odontoglossum
  • Oncidium luteopurpureum (6.64%)  subgenus Odontoglossum

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Seed Parent
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Oncidium Golden Rialto
Pollen Parent
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Oncidium Royal Occasion
Seed Grandparents
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Oncidium Pacific Gold
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Oncidium Rialto
Pollen Grandparents
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Oncidium Pumistor
Oncidium Ardentissimum
Oncidium Ardentissimum

Species Ancestors (6)
Oncidium alexandrae
Oncidium nobile


Onc. nobile 19.38%
Oncidium luteopurpureum
Oncidium spectatissimum
Oncidium harryanum
Oncidium noezlianum