Winter annual with purple-red flowers, square stems, and petioled leaves. Lamium purpureum, known as red dead-nettle, purple dead-nettle, or purple archangel, is an annual herbaceous flowering plant native to Europe and Asia. Occur in whorls of 3-6 in the upper leaves. Henbit freely branches from the base and can have both an. Purple deadnettle is a winter annual plant that can grow from 0.5 to 2.5 feet tall. They grow near leaf axils or where leaves are attached to the stem. It is a winter annual plant and is commonly mistaken for its cousin. It is low growing and blooms occur throughout the year including warmer.
Upper leaves are also relatively triangular in outline.īranched from the base of the plant, are square, and may reach 16-18 inches in height. Description of Dead Nettle, Purple (Lamium purpureum). Purple Deadnettle is a common annual weed that is very aggressive and spreads rapidly. Purple Dead-nettle is usually considered a weed and originates from Europe and Asia. Leaves are 8-12 mm long and dark green in color, becoming more purple-red in the upper leaves. Primarily a weed of turfgrass, landscapes, and winter grain crops found throughout the U.S.Ĭotyledons oval and without hairs, while subsequent leaves are hairy, opposite, and nearly circular in outline with rounded teeth on the sides.Īll leaves occur on short petioles, are sparsely hairy, and are circular in outline with scalloped margins. Brief Description: Two very similar broadleaf weeds with small, horn shaped purple flowers that grow on the top of long stems. Winter annual with square stems and purple-red flowers that closely resembles Henbit ( Lamium amplexicaule).
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