A slender herb. It grows 50 cm tall. It has a brown, smooth bulb. This can be 1-2.5 cm across. The leaves are narrow. They are 20-50 cm long by 5-15 mm wide. They are at the base. The flower stalks are in narrow clusters. The flowers are pale blue. The fruit is small and has 3 parts. It is a round capsule. They are edible.