Description: This species of melilot is generally regarded as an alien, introduced from the European Continent, but it has been established in quantity along the railway line from Larne to the outskirts of Belfast since the late 19th century. It is a tall, short-lived perennial species of untidy straggling growth, with spikes of small yellow pea flowers which are followed by tiny black hairy peapods.

All names: Melilotus altissimus Thuill.; Melilotus altissima Thuill.; Melilotus officinalis auct.

Distribution Map from NBN: Melilotus altissimus at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Melilotus altissimus at iNaturalist World Species Observations database.