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Oncidium flexuosum
Oncidium species; accepted as Gomesa flexuosa (Oncidiinae)
At‑a‑glance
- Group/Class: Oncidium species; accepted as Gomesa flexuosa (Oncidiinae)
- Height × spread: 18 to 30 in tall including spikes (45 to 75 cm); 12 to 18 in wide (30 to 45 cm)
- Bloom window: fall to winter; varies by climate
- Color & flower form: sprays of small yellow flowers with brown markings on flexible stems
- Fragrance: 0 none
- USDA hardiness: 10 to 12; grown as a houseplant elsewhere
- Breeder / Year / Origin: unknown, 1820, eastern and southern Brazil to northern Argentina
- Pet safety: safe
How it differs
- Climbing habit more evident than in many Oncidium types.
- Wiry stems sway in light air movement.
- Often grown mounted for best form.
Strengths
- Adapts to mounts and baskets.
- Tolerates bright light with acclimation.
- Reliable flowering in good light.
Care in one minute
Site: bright indirect light such as an east window or shaded south window.
Medium: medium bark with perlite or mount on cork; excellent drainage.
Water: water thoroughly; allow to approach dryness between waterings; mounted plants need more frequent water.
Feed: quarter strength fertilizer every 2 to 4 weeks in growth; flush to avoid salts.
Watch‑outs
- Roots are sensitive to stale, compact media.
- Spikes can kink if moved after buds form.
- Avoid overwatering in cool conditions.
Best uses (tags)
Provenance note
Accepted as Gomesa flexuosa by Kew. Native to eastern and southern Brazil into northern Argentina.
References
- Kew – POWO, Gomesa flexuosa (syn. Oncidium flexuosum)
- NC State Extension – Gomesa flexuosa profile
- American Orchid Society – Oncidium culture sheet
- Smithsonian Gardens – Oncidium care
