Flora of North America species comparison

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Juncus textilis

Juncus subg. Genuini

basket rush, mat or basket rush
Habit Herbs, perennial, 10–20 dm. Herbs, perennial, rhizomatous.
Rhizomes

long- creeping.

Culms

erect, 2–5 mm diam.

terete.
Cataphylls

several.

Leaves

blade absent.

basal;

blade usually absent, rarely present (J. hallii and J. parryi), if present terete, channeled, not septate.
Inflorescences

lateral, many flowered, loose;

primary bract barely exceeding to many times longer than inflorescence.

lateral cymes, sympodial;

bracts erect, terete, appearing to be continuation of culms;

bracteoles 2, at base of perianth.
Flowers

variously pedicellate;

bracteoles membranous;

tepals greenish to pale brown, lanceolate, 3.5–5 mm;

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

stamens 6, filaments 0.3–0.9 mm, anthers 1–2.5 mm;

style 1–1.5 mm.

borne singly, not in heads.
Capsules

dark brown, 3-locular, oblate to narrowly ovoid, 3–4 mm, nearly equal to perianth.

3-locular.
Seeds

dark amber, oblate to ellipsoid, 0.5–0.8 mm.

usually not tailed.

Juncus textilis

Juncus subg. Genuini
Phenology Flowering and fruiting summer.
Habitat Moist or wet exposed areas
Elevation 100–1800 m (300–5900 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Worldwide
Discussion

Species ca. 25 (11 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Flowers 1–3(–5); seeds tailed.
→ 2
1. Flowers more than 5.
→ 4
2. Leaf blade reduced to bristle
J. drummondii
2. Leaf blade well developed.
→ 3
3. Perianth 6–9 mm; capsules oblong, acute
J. parryi
3. Perianth 4–5 mm; capsules ovoid, retuse
J. hallii
4. Culms well spaced along sparingly branched creeping rhizomes.
→ 5
4. Culms tufted on short, densely branching rhizomes.
→ 8
5. Anthers shorter than filaments; tepals greenish; capsules green to light brown
J. filiformis
5. Anthers equal to or longer than filaments.
→ 6
6. Fruits acute.
→ 7
6. Fruits obtuse
J. textilis
7. Perianth usually 3–6 mm
J. arcticus
7. Perianth (5–)6–8 mm
J. lesueurii
8. Stamens 3
J. effusus
8. Stamens 6.
→ 9
9. Plants cespitose, stooling; capsules 3–4 mm
J. inflexus
9. Plants cespitose, not stooling; capsules less than 3 mm.
→ 10
10. Perianth much shorter than capsule; seeds 0.7–1 mm
J. gymnocarpus
10. Perianth equal to or exceeding capsule; seeds 0.4–0.5 mm
J. patens
Source FNA vol. 22. FNA vol. 22.
Parent taxa Juncaceae > Juncus > subg. Genuini Juncaceae > Juncus
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. 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. tiehmii, J. torreyi, J. trifidus, J. triformis, J. triglumis, J. trigonocarpus, J. uncialis, J. validus, J. vaseyi, J. xiphioides
Subordinate taxa
J. arcticus, J. drummondii, J. effusus, J. filiformis, J. gymnocarpus, J. hallii, J. inflexus, J. lesueurii, J. parryi, J. patens, J. textilis
Synonyms J. lesueurii var. elatus J. section Genuini, J. section Juncotypus, J. subg. Juncotypus
Name authority Buchenau: Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen 17: 336. (1903) Buchenau: Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen 4: 406. (1875)
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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