A herb. It keeps growing from year to year. It has a large corm. The stems are 15-30 cm tall. The leaves are sword shaped and 60-70 cm long by 1 cm wide. They are covered with white hairs. The flowers have 6 star shaped petals. They are about 1 cm across. They are in groups of 5-7 flowers. They are pale yellow. The flower buds are covered with small hairs.