Flora of North America species comparison

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Juncus patens

Juncus lesueurii

(synonym of Juncus breweri)

California grey rush, gray rush, rush, spreading rush

Brewer's rush, salt or Brewer's rush, salt rush
Habit Herbs, perennial, occasionally tufted, occasionally rhizomatous, 3–9 dm. Herbs, perennial, 3–14 dm.
Rhizomes

, if present, short.

long- creeping.
Culms

green or glaucous, 1.5–2.5 mm diam.

erect, 1–3 mm diam.
Cataphylls

several.

several.
Leaves

blade absent.

blade absent.
Inflorescences

lateral, many flowered, loose to congested, 2–9 cm;

primary bract exceeding inflorescence.

lateral, 3–many-flowered, mostly loose;

primary bract much longer than inflorescence.
Flowers

variously pedicellate;

bracteoles membranous;

tepals greenish, light brown or reddish, lanceolate, 2.3–3 mm;

inner series nearly equal, margins scarious;

stamens 6, filaments 0.6–1 mm, anthers 0.4–0.6 mm;

style 0.1 mm.

variously pedicellate;

bracteoles membranous;

tepals green, lanceolate, 5–8 mm, margins brown;

inner series loosely subtending capsule at maturity, usually slightly shorter, margins scarious to clear, acutish;

stamens 6, filaments 0.2–1.1 mm, anthers 0.9–2.3 mm;

style 1–1.5 mm.
Capsules

3-locular or pseudo-3-locular, nearly globose, 2–2.7 mm, equal to or exceeding perianth.

3-locular, oblate to narrowly ovoid, 4–7 mm, shorter than or nearly equal to perianth.
Seeds

dark amber, oblate, 0.4–0.5 mm.

dark amber, oblate to ellipsoid, 0.4–0.7 mm.

Juncus patens

Juncus lesueurii
Phenology Flowering and fruiting summer. Flowering and fruiting summer.
Habitat Stream banks, lake or pond shores, ditches, and other wet places in sandy or clayey soils Borders of salt or freshwater marshes and usually near dunes along the coast
Elevation 0–1600 m (0–5200 ft) 0–500 m (0–1600 ft)
Distribution
from FNA
CA; OR; WA; nw Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 22. FNA vol. 22.
Parent taxa Juncaceae > Juncus > subg. Genuini Juncaceae > Juncus > subg. Genuini
Sibling taxa
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. 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. 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
Synonyms J. balticus subsp. pacificus, J. lesueurii var. tracyi
Name authority E. Meyer: Syn. Luzul. 28. (1823) Bolander: Proceedings of the California Academy of Sciences 2: 179. 1863 (as leseurii)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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