• Only has one bristle below each seed. The stems branch at the base and the nodes. Hairs are located just below the stem nodes.
• Leaf blades are often folded and rough.
• Growth starts mid-spring; flowers from May to September.
• May produce more than one seed crop, depending on available moisture.
• Good seed producer, and reproduces from seeds and tillers.
• Cannot withstand heavy grazing; it usually does not occur in dense stands.
• Adapted to prairies, dry woods, and rocky slopes, as well as in open shade of brush and small trees where it is protected from livestock.
• Most abundant in alkaline soils, along gullies and streams.