|
inch high dwarf rush, inch-high rush, twelfth rush
|
New Jersey rush
|
| Herbs, annual, cespitose, 0.8–3.5 cm. |
Herbs, perennial, cespitose, 3–9 dm. |
to 70, more than 0.2 mm diam.. |
erect, 2–4 mm diam., scabrous. |
|
0 or 1–2, straw-colored, apex acuminate. |
to 2.2 cm, 1/2–3/4 height of plant. |
basal 1–2, cauline 1–2; auricles 1–7.5 mm, apex rounded, scarious; blade terete, 4–25 cm × 1–1.8 mm, scabrous. |
terminal solitary flowers; bracts subtending inflorescence 1, widely truncate, enwrapping culm, inconspicuous, 0.25–0.9 mm, membranous, apex widely truncate, completely sheathing culm.. |
panicles of 5–30 heads, 12–15 cm, erect to ascending branches; primary bract erect; heads 2–6-flowered, broadly obovoid, 5–10 mm diam. |
3-merous, : tepals erect to recurved at maturity, greenish or tinged red, 2–4 × 0.6–0.9 mm; outer and inner series nearly equal, apex acutish; stamens usually 3, filaments 0.9–1.6 mm, anthers 0.3–0.4 mm, 1/3 length of filaments; style 0.1–0.3 mm, stigma 0.4–1.3 mm. |
tepals green to reddish brown, lanceolate; outer tepals 3.3–3.9 mm, apex acuminate; inner tepals 3.9–4.7 mm, acuminate; stamens 6, anthers 1/2 filament length. |
reddish to maroon, 3-locular, ovoid to ellipsoid, 1.8–3.2 × 1–2.5 mm, nearly equal or shorter than the tepals. |
exserted, chestnut brown, 3-locular, ovoid, 4.5–5.3 mm, apex acuminate, valves separating at dehiscence. |
ovoid, 0.3–0.4 mm. |
fusiform, 2.2–2.6 mm, tailed. |
= 16. |
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| Flowering and fruiting spring–early summer. |
Fruiting mid summer–early fall. |
| Margins of vernal pools and ponds |
Wet springy bogs, swamps, and borders of wet woods |
| 0–1700 m (0–5600 ft) |
0–100 m (0–300 ft) |
|
CA; NV; OR
|
DC; DE; MD; NC; NJ; PA; VA; NS |
| FNA vol. 22. |
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. 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. 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. 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. asper |
| Greene: Pittonia 2: 105. (1890) |
Coville: Memoirs of the Torrey Botanical Club 5: 106. (1894) |
| |
CA, 
OR, 
WA
Flora NW, 
PNW Herbaria
WildflowerSearch
iNaturalist (observations)
USDA Plants Database
MD Biodiversity
