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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:
Urtica dioica, often known as common nettle, burn nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, or just a nettle or stinger, is a herbaceous perennial flowering plant in the family Urticaceae. Originally native to Europe, much of temperate Asia and western North Africa, [2] it is now found worldwide.
Urtica is a genus of flowering plants in the family Urticaceae.Many species have stinging hairs and may be called nettles or stinging nettles (the latter name applying particularly to U. dioica).
There are also plants with stinging hairs that are unrelated to the Urticaceae: [11] Cnidoscolus urens, one of a number of species called "bull nettle" or "mala mujer" Boraginaceae: Hydrophylloideae. Phacelia malvifolia (stinging phacelia) [12] Wigandia spp. [13] Euphorbiaceae. Cnidoscolus spp. Cnidoscolus stimulosus (bull nettle or spurge nettle)
The Urticaceae / ɜːr t ɪ ˈ k eɪ s iː / are a family, the nettle family, of flowering plants.The family name comes from the genus Urtica.The Urticaceae include a number of well-known and useful plants, including nettles in the genus Urtica, ramie (Boehmeria nivea), māmaki (Pipturus albidus), and ajlai (Debregeasia saeneb).
Urticating hairs of a stinging nettle. The most common form of urticating hairs in plants are typified by nettles, which possess sharp-pointed hollow bristles seated on a gland that secretes an acrid fluid. The points of these bristles usually break off in the wound, and the acrid fluid is pressed into it.
The News & Observer spoke about these plants with Ainsley Briggs, herb garden curator at the North Carolina Botanical Garden, which includes the garden’s poisonous plants collection.
nettle water preparation. Liquid plant manures are fermented extracts of plant material that are used primarily as fertilizers, but also for pest control, plant strengthening and other phytosanitary purposes. The best known is nettle water, usually made from stinging nettles. Other well-known types are made from comfrey or horsetail.