Difference between revisions of "Juncus roemerianus"

Scheele

Linnaea 22:348. 1849.

Common names: Needle rush
Treatment appears in FNA Volume 22.
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name=Juncus roemerianus
 
name=Juncus roemerianus
|author=
 
 
|authority=Scheele
 
|authority=Scheele
 
|rank=species
 
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|publication year=1849
 
|publication year=1849
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V22/V22_264.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V22/V22_264.xml
 
|genus=Juncus
 
|genus=Juncus
 
|subgenus=Juncus subg. Juncus
 
|subgenus=Juncus subg. Juncus

Revision as of 19:56, 16 December 2019

Herbs, perennial, 5–15 dm. Rhizomes long, thick, scaly. Culms gray-green, 2–5 mm diam. Cataphylls 2–5. Leaves basal, 1–3; auricles absent; blade terete, 40–80 cdm × 1.5–2.5 mm. Inflorescences sympodial or appearing lateral, glomerules to 150, each with 2–6 perfect or pistillate flowers, congested to open, 4–20 × 5–10 cm; primary bracts terete, longer than inflorescence. Flowers: tepals pale brown, 2.5–3.3 mm, apex acuminate; outer series acuminate; inner series slightly shorter, acutish; stamens 6, sometimes rudimentary, filaments 0.2–0.7 mm, anthers 1.3–2.5 mm; style 0.3–1 mm. Capsules brown, 3-locular, ovoid to oblate, 1.7–3 × 1.3–1.6 mm, mostly distinctly shorter than perianth, apiculate. Seeds dark brown, ellipsoid, 0.4–0.6 mm, not tailed.


Phenology: Flowering and fruiting spring–early fall.
Habitat: Coastal tidal marshes in dense zonal stands

Distribution

V22 264-distribution-map.jpg

Ala., Del., D.C., Fla., Ga., La., Md., Miss., N.C., S.C., Tex.as, Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Juncus roemerianus"
Ralph E. Brooks* +  and Steven E. Clemants* +
Scheele +
Juncus sect. Juncastrum +  and Juncus subg. Juncastrum +
Needle rush +
Ala. +, Del. +, D.C. +, Fla. +, Ga. +, La. +, Md. +, Miss. +, N.C. +, S.C. +, Tex.as +  and Va. +
Coastal tidal marshes in dense zonal stands +
Flowering and fruiting spring–early fall. +
Juncus sect. Acuti +, Juncus sect. Maritimi +, Juncus sect. Thalassii +  and Juncus subg. Thalassii +
Juncus roemerianus +
Juncus subg. Juncus +
species +