Northern Prairie Wildlife Research Center
Prairie Cordgrass (Spartina pectinata)
- Family: Grass (Poaceae)
- Flowering: June-October.
- Field Marks: This rhizome-bearing grass has flat, 1-flowered spikelets crowded into 2 rows on one side of the branchlets.
- Habitat: Wet prairies, wet meadows, in sloughs, around ponds, swamps.
- Habit: Coarse perennial herb with rhizomes.
- Stems: Erect, usually unbranched, smooth up to 6 feet tall.
- Leaves: Long, narrow, rough along the edges, up to 1 foot long, up to 2/3 inch broad.
- Flowers: One per spikelet, with many flat spikelets crowded into 2 rows on one side of the branchlets of the spike; each spike up to 5 inches long.
- Sepals: 0.
- Petals: 0.
- Scales: Hairy, tapering to a slender point.
- Stamens: 3.
- Pistils: Ovary superior.
- Grains: Small, smooth.
- Notes: The pollen of this grass may cause hay fever.
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