Name the category of weeds described as triangular stems; leaves in groups of three.

• A. Sedges
• B. Grasses
• C. Broadleaf weeds
• D. Forbs

Answer: (A)

Recognizing weed groups by stem and leaf features helps you identify the plant family and choose the right management approach. Sedges are distinguished by a triangular, edge-like stem and leaves that occur in three ranks around the stem. This three-sided stem is the giveaway that sets sedges apart from other weeds. Grasses usually have round, hollow stems with leaves arranged in two vertical rows, while broadleaf weeds have broader leaves with typical net-like veins and don’t show the three-ranked leaf pattern. The triangular stem and leaves in threes specifically point to sedges, making this the best fit. A handy mnemonic to remember this is “Sedges have edges.”