Melilotus officinalis or Melilotus altissimus?

Melilotus officinalis or Melilotus altissimus?

Observation - Melilotus officinalis or Melilotus altissimus? - UK and Ireland. Description: Species observed growing along lake margin at reserve. I have looked at two Melilotus species. Any pointers would be appreciated.

Species observed growing along lake margin at reserve. I have looked at two Melilotus species. Any pointers would be appreciated.