| Home | > | List of families | > | Urticaceae | > | Urtica |
1974.000 Urtica - Nettles
Clapham, A.R., Tutin, T.G. & Warburg, E.F. (1952) Flora of the British Isles. 1st edition. Cambridge University Press, Cambridge
Friis, I. (1989) Urticaceae Flora of Tropical East Africa
Description of the genus
Annual or perennial, monoecious or dioecious, herbs, usually with stinging hairs. Leaves opposite, simple; stipules lateral. Inflorescences axillary, often paired, comprising lax, cymose panicles. Flowers unisexual, in small cymose clusters. Perianth 4-merous. Male flowers: perianth segments free, in 2 subequal pairs; stamens 4; ovary rudimentary. Female flowers: perianth segments unequal; ovary ovoid, laterally flattened. Achene lenticular, enclosed in the persistent inner perianth segments. Worldwide: 80 species, more or less cosmopolitan, but concentrated in northern temperate regions. Zimbabwe: 1 taxon. |
 |
Links to taxa: View: living plant images - herbarium specimen images - all images for this genus
| Species | FZ divisions | Content |
| urens L. | C | Description, Image |
Other sources of information about Urtica:
Our websites:
Flora of Burundi: UrticaFlora of Zimbabwe: cultivated Urtica
External websites:
African Plants: A Photo Guide (Senckenberg): UrticaBHL (Biodiversity Heritage Library): Urtica
EOL (Encyclopedia of Life): Urtica
GBIF (Global Biodiversity Information Facility): Urtica
Google: Web - Images - Scholar
iNaturalist: Urtica
IPNI (International Plant Names Index): Urtica
JSTOR Plant Science: Urtica
Mansfeld World Database of Agricultural and Horticultural Crops: Urtica
Plants of the World Online: Urtica
Tropicos: Urtica
Wikipedia: Urtica
| Home | > | List of families | > | Urticaceae | > | Urtica |