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Term Definition
Awn A bristle or hairlike appendage; e.g., the terminal extension of the midvein of the glume, palea, or lemma in the Poaceae. Glumes and awns of a grass spikelet. Photo by S. A. Mori.
Awn (awned) The terminal extension of the midrib of an organ such as a bract (bearing awns). Cataphylls of Gustavia parviflora. Photo by S. A. Mori.