This beautiful 3-cent stamp from Éire (Ireland), issued in 1977, showcases the Yellow Flag Iris (Iris pseudacorus), a striking native wetland flower known in Irish as Feileastram. Part of Ireland’s long-running Floral Definitives series, it highlights the country’s native flora with fine botanical detail and delicate engraving. Designed with both scientific and cultural pride, this issue reflects Ireland’s connection to its natural heritage and remains a favorite among collectors of botanical and Irish definitive series.