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A bed of common stinging nettles (Urtica dioica) on a sunny day in England.

July 7, 2024: Stinging nettle with seeds in forest

Humulus leaves on a black background, North China

Stinging nettles in sunlight during springtime

Known and unpopular are the nettles because of the painful wheals (swellings) that appear on the skin after touching the stinging hairs. Depending on the species, the consequences vary in severity; for example, the stinging fluid of the lesser stinging nettle (Urtica urens) is much more painful than that of the greater stinging nettle (Urtica dioica). These stinging hairs act as a protective mechanism against predators and are predominantly present on the upper surface of the leaf. They are long, unicellular tubes whose walls are hard and brittle like glass in the upper part due to incorporated silica. The lower, more flexible end is strongly swollen, filled with burning fluid and sunken into a cell cup. The tip consists of a sideways directed little head, under which a kind of predetermined breaking point is present due to the very thin wall here.

Close-up nettle plant in green background

$Very variable, vigorous, medium-tall perennial with stout stolons; stems square. Leaves opposite, heart-shape to lanceolate, armed with stinging hairs, toothed. Male and female flowers greenish, on separate plants; male in long drooping catkin-like spikes, female in small clusters. \nHabitat: Widely varied places, often near habitation and on rich soils, often forming extensive colonies.\nFlowering Season: June-September.\nDistribution: Throughout Europe, except Spitsbergen.\n\nThe Stem-fibres were used for making cloth from the Bronze Age onwards, and the young shoots are edible. The Plant is also used as Alternative Medicine.$

Nature leaves background. Stinging nettle in nature. Common nettle. Leaves. Nettle. Nature. Background.

Close up of stinging nettle (urtica dioica) flower buds

Oberriet, Switzerland April 28,2021 Nettle with green leafs close up

Amidst the tranquility of a Scandinavian forest, a vibrant tapestry of plant life emerges, showcasing a diverse range of species, from delicate wildflowers to hearty ferns, adding a burst of color to the serene surroundings.

A field of flowers with a single purple flower in the foreground. Selective focus. Natural background.

Close up of a stinging nettle which is the selected focus growing in the North East of England.

A vibrant yellow flower blossoms in full glory, radiating beauty and warmth in the garden.

Close-up of the flowers from a white (dead)nettle with a green background.

A detailed close-up of Hemp-Nettle (Galeopsis Tetrahit) wildflower plant featuring lush green leaves and delicate blossoms, showcasing the beauty of natural flora in a wilderness or garden setting under natural light.

Lamium herb in bloom. medicine herbs at nature concept.

Single flower (Galeobdolon luteum Huds) on meadow. Selective focus

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