Oncidium ensatum, the Latin American orchid or Florida dancinglady orchid, is a species of orchid found in southern Florida, southern Mexico (Chiapas and the Yucatán Peninsula), Central America, Cuba, the Bahamas, and northwestern Venezuela.Kew World Checklist of Selected Plant FamiliesFlora of North America, v 26 p 648, Oncidium ensatum Biota of North America Program
Oncidium ensatum is usually epiphytic but sometimes terrestrial, up to tall (not including the inflorescence). The leaves are narrowly linear to lanceolate, each up to long. The inflorescence is either arching or hanging, up to long. The flowers are yellow with brown spots.
References
Institute for Regional Conservation, Floristic Inventory of South Florida Database Online, Oncidium ensatum Lindl., Florida dancinglady orchid IOSPE orchid photos Oncidium ensatum Gardening Europe