Definition

Noun: * Botanical Structure: In most grasses (family Gramineae/Poaceae), the flowering glume is the lower and typically stouter of the two bracts (glumes) that immediately enclose and protect an individual floret (a small flower) within a grass spikelet.

Usage

• The flowering glume is a key identifying feature when classifying grass species.
• Botanists examine the shape and venation of the flowering glume under a microscope.

Advanced Usage

• The term is used almost exclusively in technical botanical descriptions and taxonomic keys for grasses. It is synonymous with the term lemma.

Variants and Related Words

• Lemma (noun): The technical synonym for "flowering glume."
• Palea (noun): The upper, usually smaller bract that, paired with the lemma (flowering glume), encloses the grass floret.
• Glume (noun): A general term for a small, dry bract in the inflorescence of grasses, sedges, and similar plants. The flowering glume is a specific type of glume.
• Spikelet (noun): The basic unit of a grass inflorescence, consisting of one or more florets and often subtended by sterile glumes.

Synonyms

• Lemma

Antonyms

• There is no direct antonym, as it is a specific anatomical part. The contrasting paired structure is the palea.

Notes on Meaning

• This term has a single, highly specialized meaning in botany. It does not have everyday, figurative, or idiomatic uses.

Noun

1. the lower and stouter of the two glumes immediately enclosing the floret in most Gramineae