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n. Botany
A slender bristle, especially one at the tip of a glume or lemma in a grass spikelet.

[Middle English awne, from Old Norse ögn or from Old English agen; see ak- in Indo-European roots.]

awned adj.
awn′less adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.awnless - lacking or having only very short awnsawnless - lacking or having only very short awns; "awnless bromegrass"
awned, awny - having awns i.e. bristlelike or hairlike appendages on the flowering parts of some cereals and grasses; "awned wheatgrass"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The awnless rodi variety is one of the most sought after in rural areas when it comes to farmers' domestic use.
In a study of disomic addition lines of group 2 chromosome in Chinese spring (awnless) showed awned phenotype (Dvorak 1980; Friebe et al.1999).
Sessile spikelet, callus glabrous, glume spinulose, and awnless. Microscopical characters Trichomes and oil cells are present, and thin fibres, irregular cell structures, and yellow-brown cells are present.
Pedicelled spikelet of the penultimate pair developed, male, 3-4.5 x 0.1-0.2 mm long, lanceolate, awnless, with 3 stamens, anthers 1-1.5 mm long.
Usually a mixture of two cool-season grass taxa was seeded in each field, the most important species planted being Agrostis gigantea (red top), Bromus inermis (awnless brome), Dactylis glomerata (orchard grass), Festuca arundinacea (tall fescue), and Poa pratensis (bluegrass).
Pistillate scale apices: awnless or short-awned (0), long-awned (1).
Bowers is an awnless six-rowed barley developed by the Michigan Agricultural Experiment Station and released in 1979.
Glyphosate resistance had already been confirmed in populations of awnless barnyard grass in NSW in 2007 and annual ryegrass in Victoria in 1996.
Along with Canada goldenrod, the Eurasian, cool-season grasses were important components of the successional old-field with Phleum pratense (timothy), Bromus inermis (awnless brome), and Poa pratensis (Kentucky bluegrass) being the most common.
The rogued variant plants were taller in height (10-15 cm) or were awnless with red chaff.