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leopold's rush, sharp rush, wire grass
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sharp rush, spiny rush
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| Herbs, perennial, robust, tufted, often forming clumps to 1 m diam., 6–12 dm. |
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3–4 mm diam. |
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1–2. |
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basal, 2–4; sheaths brownish, inflated; auricles absent or prolonged 1–3 mm, cartilaginous; blade terete, 30–100 dcm × 2–3 mm. |
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sympodial or appearing lateral, glomerules numerous, each with 2–5 flowers, branches unequal, 5–20 cm; primary bract inflated, usually shorter than inflorescence. |
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tepals straw-colored, brown-tipped, 2–4 mm; outer tepals widely lanceolate, margins scarious, apex obtuse to acutish; inner tepals rounded, shorter; stamens 6, filaments 0.2–0.4 mm, anthers 1.2–1.8 mm; style 1–1.2 mm. |
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yellow-brown, pseudo-3-locular, nearly globose, 3.5–5 × 2.4–3.3 mm, obviously exceeding perianth, mucronate. |
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brownish, obliquely obovoid, body 0.6–0.7 mm, tails 0.2–0.3 mm. |
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| Flowering and fruiting late spring–summer. |
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| Moist saline habitats and alkaline seeps |
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| below 300 m (below 1000 ft) |
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AZ; CA; NV; South America; Mexico (Baja California); South Africa; Atlantic Islands |
AZ; CA; NV; South America; Mexico (Baja Calif); South Africa; Atlantic Islands
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Subspecies 2 (1 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 22. |
FNA vol. 22, p. 237. |
| Juncaceae > Juncus > subg. Juncus > Juncus acutus |
Juncaceae > Juncus > subg. Juncus |
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J. acuminatus, J. acutiflorus, 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 |
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J. acutus subsp. leopoldii |
| J. leopoldii, J. acutus var. sphaerocarpus, J. acutus var. sphaerocarpus, J. robusta |
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| (Parlatore) Snogerup: Bot. Not. 131: 187. (1978) |
Linnaeus: Sp. Pl. 1: 325. (1753) |
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CA
WildflowerSearch
iNaturalist
USDA Plants Database
