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blood rush, dwarf rush, Herman's dwarf rush, Hermann's dwarf rush, juncus hemiendytus
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stout rush
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| Herbs, annual, cespitose, 0.03–0.36 dm. |
Herbs, perennial, cespitose, 3–10 dm. |
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without terminal tubers. |
to 5. |
erect, terete, 4–6 mm diam., smooth. |
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1–2, straw-colored, apex acute. |
to 1.8 cm, 1/2–1 1/3 height of plant. |
basal 1–2, cauline 1–2; auricles 1.2–1.5 mm, apex rounded, scarious; blade straw-colored or green, terete, 20–65 cm × 1.1–3.5 mm, with prominent and conspicuous ringlike bands at position of cross partitions; distal cauline leaves reduced to 2.5 cm. |
solitary flowers. |
terminal panicles of 30–250 heads, 8–12 cm, branches spreading; primary bract erect to ascending; heads 2–10-flowered, broadly obovoid to hemispheric, 0.3–0.5 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, lance-subulate, apex acuminate; outer tepals 1.9–2.2 mm; inner tepals 1.7–2.1 mm; stamens 3, anthers equal filament length. |
reddish, 2–- or 3-locular, obovoid to ellipsoid or oblate, 1.9–3.5 × 1–2 mm. |
exserted, straw-colored, 1-locular, ovoid, 1.9–2.5 mm, apex acute, valves separating at dehiscence. |
ovoid to oblate, 0.3–0.55 mm. |
oblong or ellipsoid, 0.5–0.6 mm, not tailed; body clear yellow-brown. |
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Fruiting late spring–late summer. |
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Commonly in shallow water, marshy shores, sloughs, wet flatwoods, and savannas, bogs, ditches, wet woods, shores, in standing water to 3 ft 1 m deep |
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100–200 m (300–700 ft) |
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AL; AR; FL; IL; IN; KS; KY; LA; MO; OK; TN; TX
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Varieties 2 (2 in the flora). (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. militaris, J. nevadensis, 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 |
J. acuminatus var. robustus, J. robustus |
| F. J. Hermann: Leaflets of Western Botany 5: 118. (1948) |
Coville: in N. L. Britton and A. Brown, Ill. Fl. N. U.S., ed. 2 1: 482. (1913) |
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BC, 
CA, 
OR, 
WA
Flora NW, 
PNW Herbaria
WildflowerSearch
iNaturalist (observations)
USDA Plants Database
IL Wildflowers
KS Wildflowers
LA Plants
MO Plants
