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Bristle   [ Botany ]
Adjective: Bristly,

Dictionary of botanic terminology - index of names

  A bristle is a stiff, sharp hair on a plant, usually erect or curving away from its attachment point.  
In cacti and other succulents, are called bristles all the shortest, hairy or rudimentary spines, for example the thin delicate spines found in the areoles of some epiphytes. They are not to be confused with glochids also stiff and small but very sharp and barbed spines that are characteristic only of the subfamily, Opuntioideae, of the family Cactaceae.

(Compare with glochid, spine, prickle, thorn)





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