An exotic looking herbaceous perennial with strap-shaped leaves from stout stems rising late in the year. The leaves are a pale green with prominent veining reaching around 25 cms long and clasp the stem. The flowers are the main interest being very much orchid-like in appearance. A single large upper petal and two smaller lower petals of a creamy yellow-white colour. These are borne in loose flower heads with several flowers open at a time.