star grass

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various plants of the genus Hypoxis, having grasslike leaves and star-shaped, white or yellow flowers.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun perennial Australian grass having numerous long spikes arranged like the vanes of a windmill
• noun any plant of the genus Hypoxis having long grasslike leaves and yellow star-shaped flowers: Africa; Australia; southern Asia; North America
• noun any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic
• noun trailing grass native to Europe now cosmopolitan in warm regions; used for lawns and pastures especially in southern United States and India