Each of two membranous bracts surrounding the spikelet of a grass (forming the husk of a cereal grain) or one surrounding the florets of a sedge.
- Water potential differences between the flag leaf, glumes, stem and grain were maintained as the water stress increased further (data not shown).
- At the base of each spikelet, there is a pair of sterile glumes that surrounds a series of flowers (five to eight in number).
- It can infect leaves, sheaths, glumes, and awns.
Late 18th century: from Latin gluma 'husk'.
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