Morningglories
Identification tip: Morningglories, often called annual morningglories, have heart-shaped, first true leaves
with deep lobes at the base. Hypocotyls are maroon at the base and green toward the apex. Seedling leaves are deeply
notched. |
Bermudagrass
Identification tip: Bermudagrass leaves are rolled in the bud and the leaf sheath is flattened. The leaf
blade is 10 times longer than it is wide and the leaf is more-or-less hairy.
The ligule is a ring of hairs and there are no auricles. The collar region of bermudagrass has a fringe of short,
white hairs and the sheath is smooth and green. |
Johnsongrass
Identification tip: Johnsongrass seedling leaves are rolled in the bud. The ligule is membranous and toothed,
and without auricles. Leaf blades have a prominent white midrib. The first leaf
blade is 8 times longer than it is wide. |
Field bindweed
Identification tip: Seed leaves are nearly square with a shallow notch at the tip. Plants sprouting from
rhizomes lack seed leaves. Early true leaves are spade- or bell-shaped. |
Nightshade
Identification tip: Seed leaves of black nightshade are elongate-oval and pointed; the first true leaves
are spade-shaped with smooth edges. Lower surfaces are often purple. |
Nutsedge, yellow or purple
Identification tip: Nutsedges grow mainly from tubers or "nutlets" formed on rhizomes, mostly
in the upper foot of soil. Leaves are V-shaped in cross section and arranged in sets of three at the base. Stems
are triangular in cross section. |
