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Published In: Species Plantarum 2: 983. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 9/27/2011)
Acceptance : Accepted
Project data     (Last Modified On 8/26/2015)
Area distribution:

About 80 species mainly in temperate regions; a few in mountains of the tropics.  


The stinging unicellular hairs contain at their enlarged base formic (methanoic) acid.

The biblical name סרפד (e.g. Is. LV : 13) probably refers to one or more local Nettle species of

this genus.


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Annual or perennial herbs, monoecious or dioecious, with stinging hairs. Stems ridged or 4-angled. Leaves opposite, dentate to incised-lobed; stipules free or connate. Inflorescences uni- or bisexual, axillary, spike-like (catkins) or glomerate with clustered cymes. Flowers unisexual, ebracteate, with 4-merous green perianth. Staminate flowers with 4 stamens, opposite the equal tepals and with rudimentary pistil. Pistillate flowers with outer tepals much smaller than inner ones; pistil 1, stigma sessile. Achenes somewhat compressed, oblong, enclosed in the persistent, hairy perianth.



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