|
small-head rush
|
brown-fruit rush, jonc à fruits bruns
|
| Herbs, perennial, cespitose, 2–7 dm. |
Herbs, perennial, rhizomatous, 0.3–7 dm. |
|
1–3 mm diam., nodes not swollen. |
erect, 1–4 mm diam., smooth. |
erect, terete, 1–2 mm diam., smooth. |
1–2, straw-colored to pink, apex acute. |
0 (rarely 1, straw-colored, apex obtuse). |
basal 1–3, cauline 1–2; auricles 0.6–1.5 mm, apex rounded, scarious; blade terete to compressed, 0.2–12 cm × 0.5–2 mm. |
basal 0–2, cauline 1–4, small fascicles of short capillary leaves often on rhizomes and stems; auricles 0.3–1 mm, apex rounded, membranaceous; blade terete, 1.5–11 cm × 0.8–1.1 mm. |
panicles of 5–80 heads, 5–25 cm, branches ascending; primary bract erect; heads 2–6-flowered, ellipsoid to obovoid, 2–5 mm diam. |
terminal cymes, flowers single or paired at nodes, (rarely in 3s), 2–25 cm, branches spreading to erect; primary bract erect. |
tepals green to light brown, lanceolate; outer tepals 1.8–2.5 mm, apex obtuse to nearly acute; inner tepals 2–2.8 mm, apex obtuse to nearly acute; stamens 3 or 6, anthers 1/2 filament length. |
tepals straw-colored, oblong; outer tepals 1.6–2.3 mm, apex obtuse; inner tepals 1.8–2.8 mm, apex obtuse; stamens 6, anthers 2–3 times filament length. |
exserted, chestnut to dark brown, imperfectly 3-locular, obconic, 2.4–3.8 mm, apex acute proximal to beak, valves separating at dehiscence. |
included to exserted, chestnut brown, 1-locular, narrowly ovoid, 1.5–3.5 mm, apex acute proximal to beak, valves separating at dehiscence, fertile only proximal to middle. |
ellipsoid to fusiform, 0.8–1.2 mm, tailed; body covered with whitish translucent veil. |
ovoid, 0.3–0.5 mm, not tailed; body clear yellow-brown. |
= 80. |
= 40. |
|
|
|
|
| Fruiting summer–early fall. |
Fruiting late summer–fall. |
| Calcareous marshes, wet meadows, and wetland shores |
Shores, peat bogs, sandy soils, pools, occasionally submersed in lakes, rarely in salt water |
| 100–200 m (300–700 ft) |
0–600 m (0–2000 ft) |
|
AL; CO; CT; GA; IL; IN; MA; ME; MI; MN; NC; ND; NH; NJ; NY; OH; OK; PA; TN; VA; VT; WI; WV; NB; NS; ON; QC;
|
AL; CT; DC; DE; FL; GA; IN; MA; MD; ME; MI; MN; NC; NH; NJ; NY; OH; PA; RI; SC; VA; VT; WI; BC; NB; NF; NS; ON; PE; QC
|
|
Populations from Virginia and south have been separated as Juncus pelocarpus var. crassicaudex (J. abortivus) based on their taller culms and thicker rhizomes. The evidence used to support the varietal status for the southeastern plants (N. A. Murray and D. M. Johnson 1987) clearly demonstrates that these plants are the southern end of a cline. The flowers are often replaced by bulbils. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 22. |
FNA vol. 22, p. 245. |
| Juncaceae > Juncus > subg. Septati |
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. 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. 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. canadensis var. brachycephalus |
J. abortivus, J. pelocarpus var. crassicaudex, J. pelocarpus var. sabulonensis |
| (Engelmann) Buchenau: Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie 12: 268. (1890) |
E. Meyer: Syn. Luzul. 30. (1823) |
| |
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