Astragalus – Great herb.
‘There are certain energy-draining diseases that leave a victim’s body thoroughly exhausted, such as chronic fatigue syndrome, candidiasis, herpes simplex, mononucleosis and hypoglycaemia. A number of different measures, including dietary, herbal, nutritional and drug, are resorted to by those who are desperately seeking solutions to their problems. In Oriental medicine one herb stands out as extremely useful as a remedy for this physical weakness: Astragalus root. It has been employed by Chinese herbalists for ‘every sort of wasting or exhausting disease’. Astragalus root is regarded as a wonderful tonic for the ‘spleen and lung.”
I could be wrong…but I think this is Astragalus membranaceus. The pea family