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Stems will vary in between being smooth and covered in stiff hairs (glabrous to strigose), but have few of the stinging hairs the plant is known for. [ 4 ] 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 ...
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 ferox, commonly known as tree nettle and, in Māori, ongaonga, taraonga, taraongaonga, оr okaoka, is a species of nettle endemic to New Zealand. Unlike the other species in the genus Urtica found in New Zealand, all of which are herbaceous, ongaonga is a large woody shrub that can grow to a height of 3 m (9.8 ft), with the base of the stem reaching 12 cm (4.7 in) in thickness.
Birds play an essential role in the ecosystem as pollinators drink nectar from flower to flower and move pollen, spreading seeds, which helps new plants germinate and grow and reduce unwanted ...
Mowing weakens stinging nettle by decreasing leaf mass and limiting root growth. It also eliminates spread by seed. Mowing is an effective method for controlling stinging nettle growing in ...
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.
The primary host plant for red admiral larvae is the native stinging nettle, ongaonga (Urtica ferox), although larvae can also eat other Urtica species. Throughout their life they use the nettle leaf to protect them during the day, by rolling the edge around them, or (as they get bigger) folding the leaf over into a 'tent'. [2]
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