awn

(ôn)

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.

awnless - 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"

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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.

Unusual rain, windstorms cause irreparable damage to desi wheat variety

In a study of disomic addition lines of group 2 chromosome in Chinese spring (awnless) showed awned phenotype (Dvorak 1980; Friebe et al.1999).

Identification of QTLs for drought tolerance traits on wheat chromosome 2A using association mapping

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.

Identification, characterization, and palynology of high-valued medicinal plants

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.

Nombres validos para hibridos del complejo Andropogon lateralis (Poaceae, Andropogoneae) sobre la base de analisis multivariados

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).

Botanical inventory of Prairie Ridge State Natural Area, Jasper County, Illinois

Pistillate scale apices: awnless or short-awned (0), long-awned (1).

Insights on using morphologic data for phylogenetic analysis in sedges (Cyperaceae)

Bowers is an awnless six-rowed barley developed by the Michigan Agricultural Experiment Station and released in 1979.

Chapter 15: Putting down our roots

Glyphosate resistance had already been confirmed in populations of awnless barnyard grass in NSW in 2007 and annual ryegrass in Victoria in 1996.

Alarm over herbicide-resistant weeds

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.

Botanical survey of Wildcat Hollow State Forest, Effingham County, Illinois

The rogued variant plants were taller in height (10-15 cm) or were awnless with red chaff.

Registration of 'Infinity CL' wheat