Leaves contain high amounts of calcium & potassium.
Tea can be used to clear heat & induce diuresis, relieve cough, relax the tendons & bones.
Also for asthma with cough, rheumatic arthritis, haemorroids, bleeding, ischialgia, icteric hepatitis.
When scratched or mildly cut in the garden, crush Black Medic leaves in your fingertips & rub generously on the abrasion.
It will help keep the wound clean until you can wash it better, later. An infection prevention.
Flowers, leaves & seeds are edible.
Flowers can be put into teas.
Seeds can be collected & eaten as is or roasted.
They can be ground into flour as well.
Leaves can be tossed into salads.