OregonFlora: Juncus pelocarpus

	Juncus pelocarpus
	brown-fruited rush
Habit	Plants perennial, 3–70 cm tall, rhizomatous.
Leaves	round; hollow, septate; auricles 0.3– 1 mm.
Inflorescences	loose cymes, 1–2(3) flowers per node.
Flowers	tepals 6, brown or reddish; stamens 6; filaments 0.2–0.8 mm; anthers 0.2–1.2 mm; style 0.3–0.5 mm.
Capsules	shorter than or longer than the tepals, pale brown to dark brown, 1-chambered.
Seeds	ellipsoid to ovoid, 0.3–0.5 × 0.2–0.3 mm, apiculate, faintly reticulate.
2n	=40.

	Juncus pelocarpus
Distribution	[WildflowerSearch map] [BONAP county map]
Discussion	Sandy shores, ditches, cranberry farms. 0–50m. Est. WA; eastern North America; north to British Columbia. Exotic. The diffuse inflorescence is distinct. It is native in eastern North America.
Source	Flora of Oregon, volume 1, page 282 Peter Zika
Sibling taxa	J. acuminatus, J. anthelatus, J. articulatus, J. balticus, J. bolanderi, J. brevicaudatus, J. breweri, J. bryoides, J. bufonius, J. bulbosus, J. canadensis, J. capillaris, J. capitatus, J. compressus, J. confusus, J. conglomeratus, J. covillei, J. diffusissimus, J. drummondii, J. dudleyi, J. effusus, J. ensifolius, J. ensifolius x Juncus nevadensis, J. exiguus, J. falcatus, J. filiformis, J. gerardi, J. hemiendytus, J. hesperius, J. howellii, J. inflexus, J. interior, J. kelloggii, J. laccatus, J. lescurii, J. longistylis, J. marginatus, J. mertensianus, J. mexicanus, J. nevadensis, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. planifolius, J. ranarius, J. regelii, J. saximontanus, J. supiniformis, J. tenuis, J. tiehmii, J. torreyi, J. triglumis, J. trilocularis, J. uncialis
Web links	Local floras: BC, OR, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search