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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).
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).
D. moroides is a straggly perennial shrub, usually flowering and fruiting when less than 3 m (10 ft) tall, but it may reach up to 10 m (33 ft) in height. It is superficially similar to Dendrocnide cordifolia, with the most obvious difference being the point of attachment of the petiole to the leaf blade—where D. moroides is peltate, i.e. the stalk attaches to the underside of the leaf and ...
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)
Make yourself familiar with these three common plants, as ingestion can be fatal: aconitum, Carolina Jessamine and horse nettle. Learn more about these three plants below.
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.