Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Andropogon glomeratus (Walter) BSP.
- Family: Grass (Poaceae)
- Flowering: September-October
- Field Marks: This grass differs by its thick, massive, terminal inflorescence with its paired
spikelets. One spikelet of each pair is reduced to a long-hairy bristle.
- Habitat: Low roadsides, moist pinelands, brackish and freshwater marsh borders, sloughs, wet
- Habit: Coarse grass with short rhizomes.
- Stems: Upright, stout, up to 4 feet tall, smooth except sometimes at the uppermost nodes.
- Leaves: Elongated, sometimes nearly as long as the flowering stem, up to 1/8 inch wide, rough
to the touch, at least along the edges.
- Flowers: Borne in spikelets, the spikelets arranged in racemes; racemes densely crowded,
forming a massive oblong head up to 15 inches long.
- Spikelets: Borne in pairs, although one member of the pair reduced to a long-hairy bristle, the
other member awned.
- Sepals: 0.
- Petals: 0.
- Stamens: 1.
- Pistils: Ovary superior.
- Notes: Some botanists consider this grass to be a variety of Andropogon virginicus.
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