An awn is a hairy or bristle-like growth on a plant.
A wild rye ear (spike) with awns
Awns on the fruit of an Australian species of grass
Geranium dissectum fruits, one undischarged, two of which have discharged their seed-bearing carpels by flinging out the seed as the awns dry, shrink, and split off elastically
Awns on the carpels of Erodium moschatum that twist as they dry. They might either fling off their seed, or entangle in the coats of animals, or partly bury the seed if they land suitably on soil.
Barley, a member of the grass family, is a major cereal grain grown in temperate climates globally. One of the first cultivated grains, it was domesticated in the Fertile Crescent around 9000 BC, givi
Awn (botany)
…An awn is a hairy or bristle-like growth on a plant. On the seeds of grasses such as barley or rye, they form foxtails which assist seed dispersal by being barbed and so sticking to passing animals. Also, the awns may twist or curl as they are…
Barley United States National Arboretum 24 May 2009
The Barley Barn at Cressing, Essex, built around 1220; its name means "barley barley-store".
Botanical illustration of leafy stem with roots, flowers, and 2- and 6-row ears