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Oncidium

Oncidium George W. Merck

Hybrid
Oncidium Gera × Oncidium Geragia
Formerly Odontioda George W. Merck (reclassified 2008)
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How to grow Oncidium Care guide from the American Orchid Society

Ancestry

Oncidium George W. MerckOncidium GeraOncidium PittiaeOncidium JulietOncidium Bradshawiae 1907Oncidium PromerensOncidium alexandraeOncidium EximiumOncidium ArdentissimumOncidium alexandraeOncidium nobileOncidium alexandraeOncidium Saint JamesOncidium AmabileOncidium Crispo-Harryan...Oncidium alexandraeOncidium harryanumOncidium alexandraeOncidium AmethystOncidium EximiumOncidium LambeauianumOncidium alexandraeOncidium RolfeaeOncidium harryanumOncidium nobileOncidium UvaldaOncidium SyniaOncidium JoanOncidium KilburneanumOncidium GandavenseOncidium ArdentissimumOncidium Vuylstekeae 1905Oncidium Illustre 1908Oncidium alexandraeOncidium GeragiaOncidium ArgiaOncidium OlenusOncidium AlcantaraOncidium Cooksoniae 1909Oncidium EximiumOncidium Cora 1921Oncidium PittiaeOncidium Gera

Species Hybrid Seed parent Pollen parent

Oncidium George W. Merck
Hyb.

Species composition

Oncidium alexandrae 24.2% Oncidium harryanum 2.3% Oncidium nobile 1.6%
Unknown ancestry 71.9%

Bloom Season

Based on 48 Oncidium awards. Showing genus-level data.

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Kew Gardens Plants of the World Online iNaturalist Observations and photos