What is the meaning of Nettle?

Any plant whose foliage is covered with stinging, mildly poisonous hairs, causing an instant rash.

  1. Especially, most species of herb genus Urtica, the stinging nettles:
    1. Most, but not all, subspecies of Urtica dioica (common nettle),
    2. Urtica incisa (Australian nettle);
  2. Wood nettle (Laportea canadensis);
  3. Bull nettles and spurge nettles (Cnidoscolus spp.):
    1. Cnidoscolus stimulosus, bull nettle, spurge nettle,
    2. Cnidoscolus texanus, Texas bull nettle,
    3. Cnidoscolus urens, bull nettle,
    4. Nettle trees or tree nettles:
      1. Various species of the genus Dendrocnide:
      2. Urera baccifera (scratchbush),
      3. Urtica ferox (tree nettle);
  4. rock nettle (Eucnide spp.);
  5. small-leaved nettle (Dendrocnide photinophylla).

Especially, most species of herb genus Urtica, the stinging nettles:

  1. Most, but not all, subspecies of Urtica dioica (common nettle),
  2. Urtica incisa (Australian nettle);

Most, but not all, subspecies of Urtica dioica (common nettle),

Urtica incisa (Australian nettle);

Wood nettle (Laportea canadensis);

Bull nettles and spurge nettles (Cnidoscolus spp.):

  1. Cnidoscolus stimulosus, bull nettle, spurge nettle,
  2. Cnidoscolus texanus, Texas bull nettle,
  3. Cnidoscolus urens, bull nettle,
  4. Nettle trees or tree nettles:
    1. Various species of the genus Dendrocnide:
    2. Urera baccifera (scratchbush),
    3. Urtica ferox (tree nettle);

Cnidoscolus stimulosus, bull nettle, spurge nettle,

Cnidoscolus texanus, Texas bull nettle,

Cnidoscolus urens, bull nettle,

Nettle trees or tree nettles:

  1. Various species of the genus Dendrocnide:
  2. Urera baccifera (scratchbush),
  3. Urtica ferox (tree nettle);

Various species of the genus Dendrocnide:

Urera baccifera (scratchbush),

Urtica ferox (tree nettle);

rock nettle (Eucnide spp.);

small-leaved nettle (Dendrocnide photinophylla).

Certain plants that have spines or prickles:

  1. ball nettle (Solanum carolinense);
  2. Solanum elaeagnifolium, bull nettle, silver-leaf nettle, white horse-nettle;
  3. Solanum dimidiatum, western horse-nettle, robust horse-nettle;
  4. Solanum rostratum, horse-nettle;
  5. Celtis (hackberry).

ball nettle (Solanum carolinense);

Solanum elaeagnifolium, bull nettle, silver-leaf nettle, white horse-nettle;

Solanum dimidiatum, western horse-nettle, robust horse-nettle;

Solanum rostratum, horse-nettle;

Celtis (hackberry).

Certain non-stinging plants, mostly in the family Lamiaceae, that resemble the species of Urtica:

  1. dead nettle, dumb nettle (Lamium spp.), particularly Lamium album, white nettle;
  2. false nettle (Boehmeria spp., family Urticaceae);
  3. flame nettle or painted nettle (Coleus spp.);
  4. hedge nettle (Stachys spp.);
  5. hemp nettle (Galeopsis spp.);
  6. horse nettle Agastache urticifolia,
  7. nilgiri nettle, Himalayan giant nettle (Girardinia diversifolia, family Urticaceae).

dead nettle, dumb nettle (Lamium spp.), particularly Lamium album, white nettle;

false nettle (Boehmeria spp., family Urticaceae);

flame nettle or painted nettle (Coleus spp.);

hedge nettle (Stachys spp.);

hemp nettle (Galeopsis spp.);

horse nettle Agastache urticifolia,

nilgiri nettle, Himalayan giant nettle (Girardinia diversifolia, family Urticaceae).

Loosely, anything which causes a similarly stinging rash, such as a jellyfish or sea nettle.

Of the nettle plant and similar physical causes, to sting, causing a rash in someone.

To pique, irritate, vex or provoke.

Source: wiktionary.org