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Canadian rush
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Tufted perennials, the stems erect, smooth, 3-10 dm. tall. |
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Leaves alternate, 1 basal and 2 cauline, the blades terete, 7-22 cm. long and 1-3 mm. broad; leaf bases sheathing, forming rounded, scarious auricles about 1 mm. long. |
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Inflorescence a panicle or raceme with 3-50 heads, 2-20 cm. long, the branches ascending, the heads 5- to 50-flowered; outer 3 tepals 2.7-3.8 mm. long, the inner 3 tepals slightly longer, all green or straw-colored to reddish-brown, lanceolate; stamens usually 3. |
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Capsule lanceolate, 3.3-4.5 mm. long, chestnut brown, acute. |
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Juncus acutus |
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June - July |
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Brackish swamps, acid bogs, tidal flats and beaches. |
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Occurring west of the Cascades crest in Washington; also in Oregon, otherwise widespread east of the Mississippi River.
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Introduced from eastern North America |
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Not of concern |
J. acuminatus, J. alpinoarticulatus, J. anthelatus, J. articulatus, J. balticus, J. bolanderi, J. brachycarpus, J. brevicaudatus, J. breweri, J. bufonius, J. bulbosus, J. canadensis, J. compressus, J. confusus, J. conglomeratus, J. covillei, J. diffusissimus, J. drummondii, J. dudleyi, J. effusus, J. ensifolius, J. falcatus, J. filiformis, J. gerardi, J. hemiendytus, J. hesperius, J. howellii, J. inflexus, J. interior, J. kelloggii, J. laccatus, J. longistylis, J. mertensianus, J. nevadensis, J. nodosus, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. pylaei, J. regelii, J. saximontanus, J. supiniformis, J. tenuis, J. tiehmii, J. torreyi, J. trilocularis, J. uncialis, J. vaseyi |
J. acuminatus, J. alpinoarticulatus, J. anthelatus, J. articulatus, J. balticus, J. bolanderi, J. brachycarpus, J. brevicaudatus, J. breweri, J. bufonius, J. bulbosus, J. compressus, J. confusus, J. conglomeratus, J. covillei, J. diffusissimus, J. drummondii, J. dudleyi, J. effusus, J. ensifolius, J. falcatus, J. filiformis, J. gerardi, J. hemiendytus, J. hesperius, J. howellii, J. inflexus, J. interior, J. kelloggii, J. laccatus, J. longistylis, J. mertensianus, J. nevadensis, J. nodosus, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. pylaei, J. regelii, J. saximontanus, J. supiniformis, J. tenuis, J. tiehmii, J. torreyi, J. trilocularis, J. uncialis, J. vaseyi |
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