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Word of the Day – Monday, January 9th |
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AWNS (awn) A stiff bristle growing from the tip of certain grasses Common clues: Barley bristles; Barley fibers, e.g.; Barley beards; Plant bristles; Grain beards; Plant appendages Crossword puzzle frequency: Once a year Video: Barley Grass Benefits You Don't Know
In botany, an awn is either a hair- or bristle-like appendage on a larger structure, or in the case of the Asteraceae, a stiff needle-like element of the pappus.
Awns are characteristic of many grasses (Poaceae), where they extend from the lemmas of the florets. They often make up the hairiness or other distinctive appearance of foxtails and the like. Awns may be long (several centimeters) or short, straight or curved, single or multiple per floret. Some genera are named after their awns, such as the three-awns.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Awn".
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