|
three-flower rush, three-hulled rush
|
blue rush, European blue rush, European Meadow rush
|
| Herbs, perennial, cespitose, 0.3–3.5 dm. |
Herbs, perennial, cespitose, stooling, 4–10 (–12) dm. |
|
3–5 mm diam. |
1–8, 0.3–0.5 mm diam. |
terete, 1.5–3 mm diam. |
1–2. |
several. |
basal, 2–4; auricles slightly prolonged, rounded, scarious to ± leathery; blade deeply channeled, 2–10 cm, mostly shorter than culms. |
blade absent. |
solitary heads, each with 2–3(–50) flowers; primary bracts brownish, nearly equal to or slightly shorter thanabout equaling inflorescence. |
many flowered, open, 2–7 cm; primary bract terete, 10–25 cm. |
tepals pale brown or darker, oblong-lanceolate, 3–5 mm, outer and inner series nearly equal; stamens 6, filaments 2.5–4 mm, anthers 0.6–1 mm; styles 0.5–0.8 mm. |
pedicellate; bracteoles ovate; tepals straw-colored to reddish brown, lanceolate, 2.7–3.5 mm, margins scarious; inner series loosely subtending capsule at maturity, shorter; stamens 6, filaments 0.8–1.5 mm, anthers 0.8–1 mm; style 0.3 mm. |
tan, pseudo-3-locular, 3-gonous–cylindric, apex obtuse, mucronate. |
reddish brown to chestnut brown, 3-locular, 3-gonous-ovoid to widely ellipsoid, 3–4 mm, exceeding perianth. |
tan or darker, fusiform, body 0.5–1 mm, tails 0.6–1 mm. |
amber, obovoid, 0.3–0.5 mm, not tailed. |
|
= 20, 38, 40. |
|
|
|
|
|
Flowering and fruiting summer. |
|
Wet soils along streams, ditches, and on wet, sandy and peaty hillsides |
|
AK; CO; ID; MT; NM; OR; UT; WY; AB; BC; MB; NT; NU; ON; QC; SK; YT; Eurasia
|
MI; NY; PA; VA; ON; Europe; Asia; Africa [Introduced in North America] |
Varieties 3 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
1. Most proximal bracts of inflorescence obtuse to mucronate, usually much shorter than inflorescence; capsules well exserted from perianth, 4.5–7 mm, apex conic or rounded proximal to persistent style | var. triglumis |
1. Most proximal bracts of infloresecence equal to or longer than inflorescence, apex long acuminate or awned; capsules included or barely exserted from perianth, 3–5 mm, apex nearly truncate proximal to persistent style | var. albescens |
|
|
| FNA vol. 22. |
FNA vol. 22. |
| Juncaceae > Juncus > subg. Alpini |
Juncaceae > Juncus > subg. Genuini |
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. 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. 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. glaucus |
| Linnaeus: Sp. Pl. 1: 328. (1753) |
Linnaeus: Sp. Pl. 1: 326. (1753) |
| |
OR
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
WA
MI Flora
