Difference between revisions of "Juncus oxymeris"

Engelmann

2:483. 1868.

Basionym: Juncus acutiflorus Bentham
Treatment appears in FNA Volume 22.
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|elevation=100–2000 m
 
|elevation=100–2000 m
 
|distribution=B.C.;Calif.;Oreg.;Wash.
 
|distribution=B.C.;Calif.;Oreg.;Wash.
|discussion=<p>Juncus oxymeris should be expected in Mexico (Baja California).</p>
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|discussion=<p><i>Juncus oxymeris</i> should be expected in Mexico (Baja California).</p>
 
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|publication year=1868
 
|publication year=1868
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V22/V22_234.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V22/V22_234.xml
 
|genus=Juncus
 
|genus=Juncus
 
|subgenus=Juncus subg. Ensifolii
 
|subgenus=Juncus subg. Ensifolii

Revision as of 16:56, 18 September 2019

Herbs, perennial, rhizomatous, 3–6 dm. Rhizomes 1–2 mm diam. Culms erect, 2–4 mm diam. Cataphylls 0–1, straw-colored, apex narrowly acute. Leaves: basal 1–3, cauline 3–4, straw-colored; auricles absent; blade 3–20 cm × 3–7 mm. 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. 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. Capsules exserted, chestnut brown, 1-locular, broadly lanceoloid to narrowly oblong, 3.3–4.7 mm, apex tapering to beak, separating at dehiscence. Seeds obovoid, 0.5 mm, not tailed.


Phenology: Fruiting late spring–fall.
Habitat: Stream and lake shores, montane meadows and seasonally emergent wetlands
Elevation: 100–2000 m

Distribution

V22 234-distribution-map.jpg

B.C., Calif., Oreg., Wash.

Discussion

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

Selected References

None.

Lower Taxa

None.