trichome

from The Collaborative International Dictionary of English v.0.48
Trichome \Trich"ome\, n. [See {Trichomatose}.] (Bot.)
   A hair on the surface of leaf or stem, or any modification of
   a hair, as a minute scale, or star, or gland. The sporangia
   of ferns are believed to be of the nature of trichomes. --
   {Tri*chom"a*tous}, a.
   [1913 Webster]
    

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