(from the article `angiosperm`) ...vesicaria; Caryophyllales) that prevent a toxic internal accumulation of salt. In other cases, trichomes help prevent predation by insects, and ...
[n] - a multicellular hair in plants like the stinging nettle that expels an irritating fluid
noun a multicellular hair in plants like the stinging nettle that expels an irritating fluid
sting (def. 18).