A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).
The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece.
The new formation over the end of a cutting, before it puts out rootlets.
A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
To form such hardened tissue.
horse nettle Agastache urticifolia,
Urtica incisa (Australian nettle);
Cnidoscolus urens, bull nettle,
ball nettle (Solanum carolinense);
Various species of the genus Dendrocnide
Most, but not all, subspecies of Urtica dioica (common nettle),
Wood nettle (Laportea canadensis);
Cnidoscolus texanus, Texas bull nettle,
rock nettle (Eucnide);
small-leaved nettle (Dendrocnide photinophylla).
Solanum elaeagnifolium, bull nettle, silver-leaf nettle, white horse-nettle;
false nettle (Boehmeria, family Urticaceae);
flame nettle or painted nettle (Coleus);
hedge nettle (Stachys);
hemp nettle (Galeopsis);
Cnidoscolus stimulosus, bull nettle, spurge nettle,
Celtis (hackberry).
nilgiri nettle, Himalayan giant nettle (Girardinia diversifolia, family Urticaceae).
Solanum rostratum, horse-nettle;
dead nettle, dumb nettle (Lamium), particularly Lamium album, white nettle;
Urtica ferox (tree nettle);
Solanum dimidiatum, western horse-nettle, robust horse-nettle;
Loosely, anything which causes a similarly stinging rash, such as a jellyfish or sea nettle.
Urera baccifera (scratchbush),
Of the nettle plant and similar physical causes, to sting, causing a rash in someone.
To pique, irritate, vex or provoke.