sharpflower rush
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lopside rush
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Herbs, perennial, rhizomatous, to 8 dm. |
Herbs, short-lived perennial, cespitose, 1.5–7 dm. |
5–6 mm diam., nodes not swollen. |
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erect, terete, 3 mm diam., smooth. |
1–30. |
1, straw-colored, apex acute. |
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basal 1, cauline 2; auricles 0.5 mm, apex rounded, cartilaginous; blade 7–45 cm x 1–2 mm, terete, not scabrous. |
basal, (1–)2–3; auricles 0.2–0.4(–0.6) mm, scarious; blade flat, 10–30 cm × 0.5–1 mm, margins entire. |
terminal panicles of 70–120 heads, 6–10 cm, branches ascending; primary bract erect; heads 3–5(–8)-flowered, obconic, 2–4 mm diam. |
5–15(–30)-flowered, usually somewhat loose, 1–5 cm; primary bract usually shorter than inflorescence. |
tepals dark reddish brown, lanceolate, apex acuminate to subulate tipte; outer tepals 1.9–2.2 mm; inner tepals 2–2.3 mm; stamens 6, anthers 2 times filament length. |
chiefly along inner side of branches; bracteoles 2; tepals greenish, lanceolate, 3.3–4.4 mm; outer and inner series equal, apex acuminate; stamens 6, filaments 0.5–0.9 mm, anthers 0.4–0.8 mm; style 0.1–0.2 mm. |
inserted with beak exserted, straw-colored, 1-locular, narrowly ovoid, 2.3–2.4 mm, tapering to subulate tip, valves separating at dehiscence. |
tan or light brown, 3-locular, ellipsoid, (3.3–)3.8–4.7 mm, nearly equal to tepals. |
narrowly ovoid, 0.5–0.6 mm, not tailed; body clear yellow-brown. |
tan, ellipsoid to lunate, 0.5–0.6(–0.7) mm, not tailed. |
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= ca. 80. |
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Fruiting fall. |
Flowering and fruiting spring. |
Wet woods |
Exposed sites, usually with well-drained sandy soil, often associated with shallow bedrock |
0–10 m (0–0 ft) |
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NF; SPM; Europe; Asia; Africa |
AL; AR; CT; DE; GA; IL; IN; KY; LA; MA; MD; ME; MO; NC; NH; NJ; NY; OH; OK; PA; RI; TN; VA; VT; WV; NS; ON
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FNA vol. 22. |
FNA vol. 22. |
Juncaceae > Juncus > subg. Septati |
Juncaceae > Juncus > subg. Poiophylli |
J. acuminatus, J. acutus, J. alpinoarticulatus, J. anthelatus, J. arcticus, J. articulatus, J. biglumis, J. bolanderi, J. brachycarpus, J. brachycephalus, J. brachyphyllus, J. brevicaudatus, J. bryoides, J. bufonius, J. bulbosus, J. caesariensis, J. canadensis, J. capillaris, J. capitatus, J. castaneus, J. chlorocephalus, J. compressus, J. confusus, J. cooperi, J. coriaceus, J. covillei, J. debilis, J. dichotomus, J. diffusissimus, J. drummondii, J. dubius, J. dudleyi, J. effusus, J. elliottii, J. ensifolius, J. falcatus, J. filiformis, J. filipendulus, J. georgianus, J. gerardii, J. greenei, J. gymnocarpus, J. hallii, J. hemiendytus, J. howellii, J. inflexus, J. interior, J. kelloggii, J. leiospermus, J. lesueurii, J. longistylis, J. luciensis, J. macrandrus, J. macrophyllus, J. marginatus, J. maritimus, J. megacephalus, J. mertensianus, J. militaris, J. nevadensis, J. nodatus, J. nodosus, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. pervetus, J. phaeocephalus, J. polycephalus, J. regelii, J. repens, J. roemerianus, J. scirpoides, J. secundus, J. squarrosus, J. stygius, J. subcaudatus, J. subtilis, J. supiniformis, J. tenuis, J. texanus, J. textilis, J. tiehmii, J. torreyi, J. trifidus, J. triformis, J. triglumis, J. trigonocarpus, J. uncialis, J. validus, J. vaseyi, J. xiphioides |
J. acuminatus, J. acutiflorus, J. acutus, J. alpinoarticulatus, J. anthelatus, J. arcticus, J. articulatus, J. biglumis, J. bolanderi, J. brachycarpus, J. brachycephalus, J. brachyphyllus, J. brevicaudatus, J. bryoides, J. bufonius, J. bulbosus, J. caesariensis, J. canadensis, J. capillaris, J. capitatus, J. castaneus, J. chlorocephalus, J. compressus, J. confusus, J. cooperi, J. coriaceus, J. covillei, J. debilis, J. dichotomus, J. diffusissimus, J. drummondii, J. dubius, J. dudleyi, J. effusus, J. elliottii, J. ensifolius, J. falcatus, J. filiformis, J. filipendulus, J. georgianus, J. gerardii, J. greenei, J. gymnocarpus, J. hallii, J. hemiendytus, J. howellii, J. inflexus, J. interior, J. kelloggii, J. leiospermus, J. lesueurii, J. longistylis, J. luciensis, J. macrandrus, J. macrophyllus, J. marginatus, J. maritimus, J. megacephalus, J. mertensianus, J. militaris, J. nevadensis, J. nodatus, J. nodosus, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. pervetus, J. phaeocephalus, J. polycephalus, J. regelii, J. repens, J. roemerianus, J. scirpoides, J. squarrosus, J. stygius, J. subcaudatus, J. subtilis, J. supiniformis, J. tenuis, J. texanus, J. textilis, J. tiehmii, J. torreyi, J. trifidus, J. triformis, J. triglumis, J. trigonocarpus, J. uncialis, J. validus, J. vaseyi, J. xiphioides |
Ehrhart: in G. F. Hoffmann, Deutschl. Fl. 1: 125. (1791) |
P.. Beauvois ex Poiret: in J. Lamarck et al., Encyclopedie Methodique. Botanique... Supplement 3: 160. (1813) |
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