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DESCRIPTION:
Mustards are winter annual broadleaf weeds. All mustard seedlings have broad cotyledons (seed leaves)
with a deep notch at the tip. The first true leaves are bright green on
the upper surface and paler below. Mature mustards have dense clusters
of yellow
flowers at the tips of branches. The seed pods are 1/2 to 3/4 inches (13
- 19 mm) long and approximately 1/12 inch (3.7 cm) broad. They are tipped
with short slender beaks
and stand close to the stem, often overlapping one another. Leaves are
toothed, alternate along the stem, and are often deeply lobed, especially toward the base
of the plant.
Tumble mustard (link) is a winter or summer annual, and sometimes a biennial. It can reach roughly 5 feet (1.5 m)
in height.
Broadleaf ID illustration.
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