Cucurbits

Perennial Weed Seedlings

Use the photos below to identify weeds in the field. Names link to more on identification and biology.

Click on photos to enlarge
Seedling of field bindweed.

Field bindweed (perennial) (Convolvulus arvensis): Morningglory family; most new shoots and seedlings emerging in spring; seed leaves nearly square, with shallow notch at tip; early true leaves spade shaped; leaf stalks flattened.

Tubers and rhizomes of purple nutsedge.

Purple nutsedge (Cyperus rotundus): Sedge family; seedlings rarely occur, most plants from rhizomes and/or tubers; young plant/young shoot (not shown) is somewhat stiff, upright, and light green with a fairly prominent whitish midvein; no auricle or ligule; triangular stem solid or pithy and rarely hollow as in grasses.

Young yellow nutsedge plant.

Yellow nutsedge (Cyperus esculentus): Sedge family; grasslike; light green blades, flat, slender; leaf tip long and drawn out; nutlets globe shaped, smooth, and almond flavored.


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