What type of deadnettle?

What type of deadnettle?

Observation - What type of deadnettle?. Description: This plant was found in a patch of grass immediately below a hedge. I'm sure it's a deadnettle of some sorts! Notice the purple streaks that only appear on the larger, more mature leaves.

This plant was found in a patch of grass immediately below a hedge. I'm sure it's a deadnettle of some sorts! Notice the purple streaks that only appear on the larger, more mature leaves.