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point rush

redpod rush

Habit Herbs, perennial, rhizomatous, 3–6 dm. Herbs, perennial, cespitose, 5–10 dm.
Rhizomes

1–2 mm diam.

Culms

erect, 2–4 mm diam.

erect, 2–5 mm diam., smooth.

Cataphylls

0–1, straw-colored, apex narrowly acute.

1–2, straw-colored, apex rounded.

Leaves

basal 1–3, cauline 3–4, straw-colored;

auricles absent;

blade 3–20 cm × 3–7 mm.

basal 0–1, cauline 2–3;

auricles 0.2–0.4 mm, apex obtuse, leathery;

blade terete, 2.5–22 cm × 1.3–4 mm, smooth.

Inflorescences

panicles of 10–50 heads, 6–20 cm, erect to ascending branches;

primary bract erect;

heads 3–11-flowered, turbinate to hemispheric, 4–8 mm diam.

panicles of 30–100 heads, 3–9 cm, stiffly erect or ascending branches;

primary bract erect;

heads 2–8-flowered, obconic, 4–8 mm diam.

Flowers

tepals straw-colored, lanceolate, 2.5–3.2 mm, nearly equal, apex acute to narrowly acuminate, mucronate;

stamens 6, anthers 0.5–1.5 times length of filaments.

tepals green to reddish brown, lanceolate;

outer tepals 2.5–2.8 mm, acuminate;

inner tepals 2.8–3.5 mm, acute;

stamens 3–6, anthers 1/2 filament length.

Capsules

exserted, chestnut brown, 1-locular, broadly lanceoloid to narrowly oblong, 3.3–4.7 mm, apex tapering to beak, separating at dehiscence.

exserted, chestnut brown, 3-locular, ovoid-pyramidal, 4–5 mm, apex acuminate, valves separating at dehiscence..

Seeds

obovoid, 0.5 mm, not tailed.

fusiform, 1.8–2.6 mm, tailed;

body covered with whitish.

Translucent

veil.

Juncus oxymeris

Juncus trigonocarpus

Phenology Fruiting late spring–fall. Fruiting early fall–early winter (fruit often persisting until spring).
Habitat Stream and lake shores, montane meadows and seasonally emergent wetlands Wet pinewoods, pine barrens, bogs, hammocks, roadsides, and seepy areas
Elevation 100–2000 m (300–6600 ft) 0–200 m (0–700 ft)
Distribution
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; FL; GA; LA; MS; NC; SC; TX
[WildflowerSearch map]
[BONAP county map]
Discussion

Juncus oxymeris should be expected in Mexico (Baja California).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 22. FNA vol. 22.
Parent taxa Juncaceae > Juncus > subg. Ensifolii Juncaceae > Juncus > subg. Septati
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. 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. 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. uncialis, J. validus, J. vaseyi, J. xiphioides
Synonyms J. acutiflorus J. caudatus
Name authority Engelmann Steudel: Syn. Pl. Glumac. 2: 308. (1855)
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