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Lamium purpureum grows with square stems to 5–20 centimetres (2–8 in), [4] rarely 40 cm, in height. [5] The leaves have fine hairs, are green at the bottom and shade to purplish at the top; they are 2–4 centimetres (3 ⁄ 4 – 1 + 1 ⁄ 2 in) long and broad, with a 1–2 cm petiole (leaf stalk), and wavy to serrated margins.
Lamium maculatum (also known as spotted dead-nettle, [2] spotted henbit [3] and purple dragon) is a species of flowering plant in the family Lamiaceae, native throughout Europe and temperate Asia (Lebanon, Syria, Turkey, western China).
The Lamiaceae (/ ˌ l eɪ m i ˈ eɪ s i. iː,-ˌ aɪ / LAY-mee-AY-see-ee, -eye) [3] or Labiatae are a family of flowering plants commonly known as the mint, deadnettle, or sage family. . Many of the plants are aromatic in all parts and include widely used culinary herbs like basil, mint, rosemary, sage, savory, marjoram, oregano, hyssop, thyme, lavender, and perilla, as well as other ...
The common name "dead-nettle" has been derived from the German Taubnessel ("deaf nettle", or "nettle without a kernel"), [11] and refers to the resemblance of Lamium album [12] to the very distantly related stinging nettles, but unlike those, they do not have stinging hairs and so are harmless or apparently "dead".
The common names archangel and dead-nettle have been in use for hundreds of years. In 1578 Rembert Dodoens observed that "Dead nettell groweth every where". [46] John Gerard used the word "archangel" in 1633. [47] Gerard believed the dead-nettles were so-named because their leaves resembled those of the true nettles in the family Urticaceae. [48]
Nettle refers to plants with stinging hairs, particularly those of the genus Urtica. It can also refer to plants which resemble Urtica species in appearance but do not have stinging hairs. Plants called "nettle" include:
Lamium amplexicaule, commonly known as henbit dead-nettle, [2] is a species of Lamium native to the Old World. The specific name refers to the leaves, which are amplexicaul (clasping the stem). Description
Galeopsis bifida is an annual plant native to Europe and Asia but now found in Canada and the northeastern, midwestern parts of the United States.It has many common names such as bifid hemp-nettle, [2] split-lip hemp-nettle, common hemp-nettle, [2] and large-flowered hemp-nettle. [2]