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blood rush, dwarf rush, Herman's dwarf rush, Hermann's dwarf rush, juncus hemiendytus
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bayonet rush, jointed bog rush
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| Herbs, annual, cespitose, 0.03–0.36 dm. |
Herbs, perennial, rhizomatous, 3–15 dm. |
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3–4 diam., nodes not swollen, smooth. (often developing filiform leaves in running water). |
to 5. |
erect, terete to compressed, 5–12 mm diam. |
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1–3, straw-colored to pink, apex acute. |
to 1.8 cm, 1/2–1 1/3 height of plant. |
basal 0, cauline 2, long capillary leaves often found in fascicles on rhizomes; auricles 0.3–0.5 mm, apex rounded, scarious; blade terete, 50–70(–100) cm × 2–5 mm, those of proximal leaves usually overtopping inflorescences, distal leaves usually inflated bladeless sheaths, occasionally absent or withll well-developed blades. |
solitary flowers. |
terminal panicles of 20–100 heads, 4–15 cm, branches erect to ascending; primary bract erect; heads (3–)5–13(–25)-flowered, hemispheric to turbinate, 6–8 mm diam. |
2-merous; : tepals 4(–6), erect to recurved at maturity, reddish, 1.5–3 × 0.5–1.2 mm; outer and outer series nearly equal, apex rounded to acute; stamens 2(–3), filaments 0.5–1.4 mm, anthers 0.3–0.7 mm; style 0.1–0.4 mm, stigma 2(–3), 0.3–1 mm. |
tepals straw-colored or reddish, lanceolate, 2.3–3.2(–4) mm, nearly equal, apex acuminate to awned; stamens 6, anthers 1.5–2 times filament length. |
reddish, 2–- or 3-locular, obovoid to ellipsoid or oblate, 1.9–3.5 × 1–2 mm. |
straw-colored, 1-locular, ovoid, 2.3–3.3 mm, equaling perianth, tapering to subulate tip, valves separating at dehiscence. |
ovoid to oblate, 0.3–0.55 mm. |
obovoid, 0.5–0.6 mm, not tailed; body clear yellow-brown. |
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Fruiting late summer–fall. |
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Mucky bottoms of shallow lakes and rivers, wet shores |
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0–500 m (0–1600 ft) |
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CT; DE; IN; MA; MD; ME; MI; NH; NJ; NY; PA; RI; VT; NB; NF; NS; ON; PE; SPM
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Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
The proximal culm leaf of Juncus militaris usually has a single well-developed leaf blade that overtops the inflorescence; and the distal leaf usually is an inflated bladeless sheath above it. An Alabama report, based on a single specimen collected by Drummond (not seen), at GH and MO, was discounted by Coville (and here). Coville believed the location and possibly the collector were wrongly attributed to this collection (see letter from Coville to Small at NY). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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| FNA vol. 22, p. 232. |
FNA vol. 22. |
| Juncaceae > Juncus > subg. Graminifolii |
Juncaceae > Juncus > subg. Septati |
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. 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. 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 |
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| J. brachystylus, J. brachystylus var. uniflorus, J. triformis var. uniflorus |
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| F. J. Hermann: Leaflets of Western Botany 5: 118. (1948) |
Bigelow: Flora Bostoniensis, 2nd Ed. 139. (1824) |
| |
BC, 
CA, 
OR, 
WA
Flora NW, 
PNW Herbaria
WildflowerSearch
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USDA Plants Database
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MD Biodiversity
MI Flora
