Difference between revisions of "Juncus squarrosus"
Sp. Pl. 1: 327. 1753.
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| + | |special_status={{Treatment/ID/Special_status | ||
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| + | |label=Introduced | ||
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|elevation=20–200 m | |elevation=20–200 m | ||
|distribution=Greenland;Wis.;native;Europe. | |distribution=Greenland;Wis.;native;Europe. | ||
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|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_355.xml |
|genus=Juncus | |genus=Juncus | ||
|subgenus=Juncus subg. Poiophylli | |subgenus=Juncus subg. Poiophylli | ||
Latest revision as of 21:30, 5 November 2020
Herbs, perennial, cespitose to mat-forming, 2–5 dm. Rhizomes short, nearly erect, branching. Culms 1(–2). Cataphylls 2–4. Leaves basal, 3–6; auricles 0.2–0.4 mm, membranous to scarious; blade arcuate, spreading, grayish green, channeled, 7–30 cm × 1–2 mm, nearly leathery, margins entire. Inflorescences terminal, 7–40-flowered, somewhat loose, 3–10 × 1–2 cm; primary bract usually shorter than inflorescence. Flowers: pedicels 0.5–2 mm; bracteoles 2; tepals brown to blackish, 4–5.5 mm; outer and inner series nearly equal, apex obtuse to nearly acute; stamens 6, filaments 0.5 mm, anthers 1.5–2 mm; style 0.2 mm. Capsules brownish, 3-locular, ovoid to ellipsoid, 4–5 × 2.3–3 mm, nearly equal to perianth. Seeds brownish, ellipsoid, 0.6–0.9 mm, not tailed. 2n = 42.
Phenology: Flowering and fruiting late spring–summer.
Habitat: Moist, open sites and bogs, occasionally disturbed areas
Elevation: 20–200 m
Distribution
Introduced; Greenland, Wis., native, Europe.
Discussion
Selected References
None.