50 Seeds .Roots and leaves are both culinary and medicinal. Tender fleshy dark green leaves that can be boiled as a green vegetable or used fresh in a salad. The roots can be roasted in the oven until crisp and ground up as a coffee substitute.Known as Pu-gong-ying in China it is used there as a blood cleanser, blood sugar balancer, diuretic and liver stimulant. Easy to grow.