'Urtica dioica' definitions:
Definition of 'Urtica dioica'
(from WordNet)
noun
Perennial Eurasian nettle established in North America having broad coarsely toothed leaves with copious stinging hairs [syn: stinging nettle, Urtica dioica]
Definition of 'Urtica dioica'
From: GCIDE
- Nettle \Net"tle\, n. [AS. netele; akin to D. netel, G. nessel, OHG. nezz["i]la, nazza, Dan. nelde, n[aum]lde, Sw. n[aum]ssla; cf, Lith. notere.] (Bot.) A plant of the genus Urtica, covered with minute sharp hairs containing a poison that produces a stinging sensation. Urtica gracilis is common in the Northern, and {Urtica chamaedryoides} in the Southern, United States. The common European species, Urtica urens and Urtica dioica, are also found in the Eastern united States. Urtica pilulifera is the Roman nettle of England. [1913 Webster]
- Note: The term nettle has been given to many plants related to, or to some way resembling, the true nettle; as:
- Australian nettle, a stinging tree or shrub of the genus Laportea (as Laportea gigas and Laportea moroides); -- also called nettle tree.
- Bee nettle, Hemp nettle, a species of Galeopsis. See under Hemp.
- Blind nettle, Dead nettle, a harmless species of Lamium.
- False nettle (Baehmeria cylindrica), a plant common in the United States, and related to the true nettles.
- Hedge nettle, a species of Stachys. See under Hedge.
- Horse nettle (Solanum Carolinense). See under Horse.
- nettle tree. (a) Same as Hackberry. (b) See Australian nettle (above).
- Spurge nettle, a stinging American herb of the Spurge family (Jatropha urens).
- Wood nettle, a plant (Laportea Canadensis) which stings severely, and is related to the true nettles. [1913 Webster]
- Nettle cloth, a kind of thick cotton stuff, japanned, and used as a substitute for leather for various purposes.
- Nettle rash (Med.), an eruptive disease resembling the effects of whipping with nettles.
- Sea nettle (Zool.), a medusa. [1913 Webster]