OregonFlora: Juncus uncialis vs. Juncus kelloggii

	Juncus uncialis	Juncus kelloggii
	inch-high rush, twelfth rush	Kellogg's rush
Habit	Plants annual, 0.3–3.5 cm tall, unbranched, stems not thickened below flowers.	Plants annual, 1–5.5 cm tall, unbranched.
Leaves	capillary; basal.	capillary; basal.
Inflorescences	1 terminal flower, subtended by solitary bractlet; base encircling stem; tip truncate.	1 terminal cluster, with 1–4 flowers per cluster; inflorescence bracts inconspicuous; flowers subtended by 2 bractlets; bractlet tips usually acute (acuminate).
Flowers	tepals usually 6 (4 or 8), green or reddish; stamens (2)3; filaments 0.9–1.6 mm; anthers 0.3–0.5 mm; styles 0.1–0.3 mm.	tepals (4)6; midveins dark reddish; tips acute to acuminate; stamens (2)3; filaments 0.7–1.3 mm; anthers 0.3–0.5 mm; styles 0.2–0.5 mm.
Capsules	usually shorter than or equaling the tepals; (green) orange; reddish or dark purple and often darker than tepals.	equaling or slightly longer than the tepals, dark red; apex acute to acuminate.
Seeds	approximately 100–140 per capsule, 0.3–0.4 × 0.15–0.25 mm, sometimes faintly reticulate (at 10×), not striate.	approximately 50 per capsule, 0.35–0.55 × 0.25– 0.35 mm, longitudinally striate (obvious at 30×), apiculate.
2n	=32.	=34.

	Juncus uncialis	Juncus kelloggii
Distribution	[WildflowerSearch map] [BONAP county map]	[WildflowerSearch map] [BONAP county map]
Discussion	Vernal pools, shores exposed by receding water, stony swales. 50–2700m. BR, Col, ECas, Sisk. CA, NV, WA. Native.	Creek banks, floodplains in wet prairie, swales, pool margins. 100–1900m. BR, Sisk, WV. CA, NV, WA; north to southern British Columbia. Native.
Source	Flora of Oregon, volume 1, page 284 Peter Zika	Flora of Oregon, volume 1, page 279 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. pelocarpus, J. planifolius, J. ranarius, J. regelii, J. saximontanus, J. supiniformis, J. tenuis, J. tiehmii, J. torreyi, J. triglumis, J. trilocularis	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. laccatus, J. lescurii, J. longistylis, J. marginatus, J. mertensianus, J. mexicanus, J. nevadensis, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. planifolius, J. ranarius, J. regelii, J. saximontanus, J. supiniformis, J. tenuis, J. tiehmii, J. torreyi, J. triglumis, J. trilocularis, J. uncialis
Synonyms		Juncus brachystylus
Web links	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, 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	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, 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