Burning nettle and diocia nettle are different as...

Nettle or urtica is spreading in Russia a nettle  diocia, and urtica urens, theirs stems with a burning hairs,as and here is latin name as uro is burns.
Urtica urens flowers are green inflorescences and long, till 2 m for height she is.
And juice of her having vitamin K, which liver damage without her, stimulates pro thrombin synthesis, is a protein, leaves are with chlorophyll and ferrum.

Urtica dioica is diuretic, bleeding stopping, cholagogue, metabolism improves, weak organism   stimulates, cardiovascular, breath, wounds heal, tissue, erythrocytes raise, lows sugar.