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DESCRIPTION:
Ripgut brome, an annual cool season grass that occurs throughout California, has a tubular sheath
on the seedling, distinguishing it from most other grass seedlings. Soft hairs
cover the blades and sheaths. The
membranous ligule is long, whitish, and jagged. No auricles present. Open panicles
resemble oats. Large flower clusters have bristles that are 1 to 2 inches (2.5 - 5
cm) long, distinguishing it from another
common bromegrass, soft brome, which has much shorter
bristles. The flower parts have tiny, rough teeth that are injurious to livestock
and pets. To distinguish from wild oat, dig down and check for seed coat. Brome can become
established over a wide range of soil moisture, and the presence of a surface
mulch of crop residue favors its buildup.
Grass ID illustration.
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