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Oncidium

Oncidium Ostro

Hybrid
Oncidium Ophanto × Oncidium Stropheon
Formerly Odontoglossum Ostro (reclassified 2008)
View all 377 species in Oncidium
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How to grow Oncidium Care guide from the American Orchid Society

Ancestry

Oncidium OstroOncidium OphantoOncidium MantoOncidium alexandraeOncidium RadiantOncidium AlexandraOncidium CatherineOncidium EximiumOncidium ArdentissimumOncidium alexandraeOncidium HarvengtenseOncidium SolasternOncidium SolanaOncidium wentworthianumOncidium MoselleOncidium LippesternOncidium ConneroOncidium Fred BradleyOncidium Dora 1910Oncidium OpheliaOncidium RedskinOncidium IllustrissimumOncidium ArdentissimumOncidium LambeauianumOncidium alexandraeOncidium RolfeaeOncidium harryanumOncidium nobileOncidium NathanielOncidium Saint JamesOncidium AmabileOncidium Crispo-Harryan...Oncidium alexandraeOncidium harryanumOncidium alexandraeOncidium AmethystOncidium EximiumOncidium LambeauianumOncidium StropheonOncidium OpheonOncidium NeronOncidium LlewellynOncidium AmabileOncidium Georgius RexOncidium RosinaOncidium EximiumOncidium Lady PirrieOncidium OpheliaOncidium Robert Strayss

Species Hybrid Seed parent Pollen parent

Oncidium Ostro
Hyb.

Species composition

Oncidium alexandrae 19.5% Oncidium harryanum 2.3% Oncidium wentworthianum 0.8% Oncidium nobile 0.8%
Unknown ancestry 76.6%

Bloom Season

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

Jan
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Hybrids from Oncidium Ostro

As seed parent

Oncidium Bicheno × Odontonia Point Cook
Oncidium June Geraldine × Oncidium Actrix
Oncidium Oscon × Oncidium Connero
Oncidium Phillip Island × Oncidium Purpleon
Oncidium Royal Park × Oncidium Pumari
Oncidium Selwyn Bell × Oncidium Bilambil

As pollen parent

Miltonidium Sunshine Miltonia spectabilis ×
Oncidium Belcroute Oncidium Red Rum ×
Oncidium Beresford Oncidium A. G. Ellwood ×
Oncidium Durham Standard Oncidium alexandrae ×
Oncidium Wössner Rose Oncidium Ingera ×
Oncidium Wössner Rose Oncidium Ingera ×

Learn more

Kew Gardens Plants of the World Online iNaturalist Observations and photos