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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.
The leaves of Urtica gracilis are variable, elliptic, lanceolate, or ovate, and 6–20 cm long by 2–13 cm across, with a base that can either be rounded or shaped like a heart (rounded to cordate). The leaf edges have coarse teeth, sometimes with smaller teeth within each larger tooth ( doubly serrate ) and the ends are pointed. [ 3 ]
Dendrocnide excelsa, commonly known as the giant stinging tree or fibrewood, is a rainforest tree in the nettle family which is endemic to eastern Australia. It occurs from Tathra, New South Wales to Imbil in southeastern Queensland , and is very common at Dorrigo National Park and other rainforest walks in eastern Australia.
D. cordifolia is a straggly perennial shrub growing up to 10 m (33 ft) high, and the entire plant is covered with stinging hairs. [4] [6] It has large cordate leaves measuring up to 25 cm (9.8 in) long by 22 cm (8.7 in) wide, with toothed margins and petioles (leaf stems) almost as long as the leaf blade itself.
Urtica massaica is a species of flowering plant in the Urticaceae (nettle family) known by many English names, including Maasai stinging nettle and forest nettle. [1] It is native to Africa, where it can be found in Congo, Burundi, Rwanda, Kenya, Uganda, and Tanzania. [1] This plant is a rhizomatous perennial herb up to 2 meters tall. It is ...
hedge nettle – Stachys; hemp nettle – Galeopsis; horse nettle: Agastache urticifolia – horse-nettle; Solanum carolinense – ball-nettle, Carolina horse-nettle; Solanum dimidiatum – western horse-nettle, robust horse-nettle; Solanum elaeagnifolium – bull nettle, silver-leaf nettle, white horse-nettle; Solanum rostratum – horse-nettle
Stinging hairs of Urtica dioica (stinging nettle) A stinging plant or a plant with stinging hairs is a plant with hairs on its leaves or stems that are capable of injecting substances that cause pain or irritation. Other plants, such as opuntias, have hairs or spines that cause mechanical irritation, but do not inject chemicals.
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 ...