These seeds were collected from Crotalaria juncea, also known as Sun Hemp. This annual likes to grow in the full sun where it can get up to 8 feet tall. It has beautiful yellow flowers. The fiber collected from this plant is used to make fishing nets among other things. It is a great plant to use in making bio fuel. The plant is also used to amend poor soil. The leaves and flowers can be eaten of pickled and saved for later. Crotalaria in general are larval host plants for the Bella Moth. USDA Hardiness Zones 10 to 12.