A herb. It keeps growing from year to year. It has a large underground stem or rhizome. This has scaly leaves. There are many flowering stems on each rhizome. They are 7-25 cm long and 1-2 mm wide. The young leaves are red and succulent. The leaves on the stems are alternate and do not have leaf stalks. They are 5-13 mm long by 2-4 mm wide. Plants are separately male and female. The fruit are dry and have many seeds.