A fine bristle ending an organ (usually in grass flowers).
A terminal or lateral bristle on a seed or plant organ.
A narrow, elongated appendage, usually at the tip of an achene.
A bristle-like appendage.
An elongate, stiff bristle often attached to the flowers of grasses.
A projecting bristle found in a particular position on a plant organ. The best known awns are on spikelets of some grasses, for example, barley and wild oats.