The term 'Cousin of a Crocus' refers to two different flowers: IRIS (4 letters) and Freesia (7 letters). IRIS is a genus of flowering plants with showy flowers that come in a variety of colors. It is a popular garden flower and is also known as the fleur-de-lis. Freesia is a genus of flowering plants native to South Africa. It has fragrant, funnel-shaped flowers that come in a variety of colors. Both IRIS and Freesia are related to the Crocus, a genus of flowering plants that produce small, cup-shaped flowers.