Northern Prairie Wildlife Research Center
Bluejoint (Calamagrostis canadensis)
- Family: Grass (Poaceae)
- Flowering: May-August
- Field Marks: This distinctive grass differs from all other grasses that have 1-flowered spikelets by its narrow bluish leaves not more than 1/3 inch broad and its delicate, open panicle.
- Habitat: Wet meadows, wet prairies.
- Habit: Perennial grass with rhizomes.
- Stems: Erect, unbranched, smooth, up to 5 feet tall.
- Leaves: Elongated, very narrow, bluish, up to 1/3 inch broad, not hairy but rough to the touch.
- Flowers: Borne singly in spikelets, with many spikelets on slender stalks, forming an open panicle; each spikelet up to 1/6 inch long; glumes narrow, pointed; lemma with a delicate awn not exserted beyond the entire spikelet.
- Sepals: 0.
- Petals: 0.
- Stamens: 3.
- Pistils: Ovary superior; stigmas 3-cleft.
- Grains: Ellipsoid, yellow-brown, smooth, about 1/16 inch long.
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