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Purple dead-nettle's whorls of flowers occur in the leaf axils and at the tip of the stem. Flowers are about 1/2" long with a short, five-lobed green calyx and a tubular, purplish pink to white corolla with an upper and lower lip; the lower lip is divided into two lobes, often white with purple spots. There are four short stamens with brown anthers positioned beneath the upper lip and a single style with a two-lobed stigma. The closely-related henbit (Lamium amplexicaule) has much longer tubular flowers and leaves that are sessile or clasp the stem rather than being borne on petioles. The "dead-nettle" name comes from a resemblance of the leaves to some nettles, but the lack of stinging hairs (thus, a dead nettle).

Lamium

Lamium purpureum

purple dead-nettle [Blooms: Apr-?]