Urtica urens L.
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH2]](https://data.landcareresearch.co.nz/Image/1RH2/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH4]](https://data.landcareresearch.co.nz/Image/1RH4/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH6]](https://data.landcareresearch.co.nz/Image/1RH6/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH7]](https://data.landcareresearch.co.nz/Image/1RH7/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH9]](https://data.landcareresearch.co.nz/Image/1RH9/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RHA]](https://data.landcareresearch.co.nz/Image/1RHA/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RHB]](https://data.landcareresearch.co.nz/Image/1RHB/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RHD]](https://data.landcareresearch.co.nz/Image/1RHD/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RHG]](https://data.landcareresearch.co.nz/Image/1RHG/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RI4]](https://data.landcareresearch.co.nz/Image/1RI4/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RI5]](https://data.landcareresearch.co.nz/Image/1RI5/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RI6]](https://data.landcareresearch.co.nz/Image/1RI6/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RI7]](https://data.landcareresearch.co.nz/Image/1RI7/SysPortalThumb)
![CHR 624973 Urtica urens. Creator: Kate Boardman. © Landcare Research 2013. [Image: 18I9]](https://data.landcareresearch.co.nz/Image/18I9/SysPortalThumb)
![CHR 624973 Urtica urens. Creator: Kate Boardman. © Landcare Research 2013. [Image: 18IA]](https://data.landcareresearch.co.nz/Image/18IA/SysPortalThumb)
![Creator: C.Graham. © Landcare Research 2017. [Image: 2LL0]](https://data.landcareresearch.co.nz/Image/2LL0/SysPortalThumb)
![Creator: C.Graham. © Landcare Research 2017. [Image: 2LL2]](https://data.landcareresearch.co.nz/Image/2LL2/SysPortalThumb)
![CHR 638003. Creator: Charles Graham. © Landcare Research 2016. [Image: 2WRW]](https://data.landcareresearch.co.nz/Image/2WRW/SysPortalThumb)
![CHR 641372. Creator: Charles Graham. © Landcare Research 2016. [Image: 2WW9]](https://data.landcareresearch.co.nz/Image/2WW9/SysPortalThumb)
![CHR 641447. Creator: Charles Graham. © Landcare Research 2017. [Image: 2X6X]](https://data.landcareresearch.co.nz/Image/2X6X/SysPortalThumb)
![Cover Sheet for JRK collection. Creator: PA Greer. © Landcare Research 2020. [Image: 3PIM]](https://data.landcareresearch.co.nz/Image/3PIM/SysPortalThumb)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH2]](https://data.landcareresearch.co.nz/Image/1RH2/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH4]](https://data.landcareresearch.co.nz/Image/1RH4/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH6]](https://data.landcareresearch.co.nz/Image/1RH6/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH7]](https://data.landcareresearch.co.nz/Image/1RH7/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RH9]](https://data.landcareresearch.co.nz/Image/1RH9/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RHA]](https://data.landcareresearch.co.nz/Image/1RHA/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RHB]](https://data.landcareresearch.co.nz/Image/1RHB/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RHD]](https://data.landcareresearch.co.nz/Image/1RHD/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RHG]](https://data.landcareresearch.co.nz/Image/1RHG/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RI4]](https://data.landcareresearch.co.nz/Image/1RI4/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RI5]](https://data.landcareresearch.co.nz/Image/1RI5/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RI6]](https://data.landcareresearch.co.nz/Image/1RI6/SysPortalPreview)
![Creator: P.B. Heenan. © Landcare Research 2014. [Image: 1RI7]](https://data.landcareresearch.co.nz/Image/1RI7/SysPortalPreview)
![CHR 624973 Urtica urens. Creator: Kate Boardman. © Landcare Research 2013. [Image: 18I9]](https://data.landcareresearch.co.nz/Image/18I9/SysPortalPreview)
![CHR 624973 Urtica urens. Creator: Kate Boardman. © Landcare Research 2013. [Image: 18IA]](https://data.landcareresearch.co.nz/Image/18IA/SysPortalPreview)
![Creator: C.Graham. © Landcare Research 2017. [Image: 2LL0]](https://data.landcareresearch.co.nz/Image/2LL0/SysPortalPreview)
![Creator: C.Graham. © Landcare Research 2017. [Image: 2LL2]](https://data.landcareresearch.co.nz/Image/2LL2/SysPortalPreview)
![CHR 638003. Creator: Charles Graham. © Landcare Research 2016. [Image: 2WRW]](https://data.landcareresearch.co.nz/Image/2WRW/SysPortalPreview)
![CHR 641372. Creator: Charles Graham. © Landcare Research 2016. [Image: 2WW9]](https://data.landcareresearch.co.nz/Image/2WW9/SysPortalPreview)
![CHR 641447. Creator: Charles Graham. © Landcare Research 2017. [Image: 2X6X]](https://data.landcareresearch.co.nz/Image/2X6X/SysPortalPreview)
![Cover Sheet for JRK collection. Creator: PA Greer. © Landcare Research 2020. [Image: 3PIM]](https://data.landcareresearch.co.nz/Image/3PIM/SysPortalPreview)
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Details
Details
Nomenclature
L.
L.
1753
984
ICN
Urtica urens L.
species
Urtica urens
Classification
Vernacular names
Descriptions
Urtica urens L.
Shallowly taprooted, erect monoecious annual, moderately clothed in short-stalked stinging hairs, otherwise sparsely to densely hairy. Stem with lateral branches usually present, up to 60 cm high. Lvs ovate or elliptic, acute, obtuse to truncate at base, coarsely serrate, (1)-2-8-(10) cm long. Petiole c. ⅔ as long as lamina. Stipules 4 per node, entire, 1-3 mm long. Racemes with numerous ♂ and ♀ fls, up to 1.5-(3) cm long. Perianth segments of ♀ fls extremely unequal, glabrous to hairy; margins ciliate. Achene ovoid, light brown, 1.5-2 mm long.
Taxonomic concepts
Collections
Metadata
fc94987e-a8b8-4258-87d4-aa93e2348caa
scientific name
Names_Plants
1 January 2000
21 November 2013
