Difference between revisions of "Cyperus microiria"
Syn. Pl. Glumac. 2: 23. 1855.
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|place=2: 23. 1855 | |place=2: 23. 1855 | ||
|year=1855 | |year=1855 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
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| + | |code=F | ||
| + | |label=Illustrated | ||
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|basionyms= | |basionyms= | ||
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|elevation=0–100 m | |elevation=0–100 m | ||
|distribution=Conn.;Ky.;Mass.;N.J.;N.Y.;Ohio;Pa.;e Asia. | |distribution=Conn.;Ky.;Mass.;N.J.;N.Y.;Ohio;Pa.;e Asia. | ||
| + | |introduced=true | ||
|discussion=<p>The name <i>Cyperus</i> amuricus Maximowicz has been misapplied to <i>C. microiria</i> by some American authors (e.g., M. V. McGivney 1938).</p> | |discussion=<p>The name <i>Cyperus</i> amuricus Maximowicz has been misapplied to <i>C. microiria</i> by some American authors (e.g., M. V. McGivney 1938).</p> | ||
|tables= | |tables= | ||
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|publication title=Syn. Pl. Glumac. | |publication title=Syn. Pl. Glumac. | ||
|publication year=1855 | |publication year=1855 | ||
| − | |special status= | + | |special status=Introduced;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_268.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Cyperus | |subgenus=Cyperus subg. Cyperus | ||
Latest revision as of 20:39, 5 November 2020
Herbs, annual, cespitose. Culms trigonous, (5–)20–60 cm × (0.2–)0.6–2.4 mm, glabrous. Leaves (1–)3–4, V-shaped, 15–40 cm × 3–6 mm. Inflorescences: spikes 2–5(–8), oblong to ovoid, 2–10 cm × 3–12 mm; rays 4–8, to 11 cm; bracts (4–)5(–7), ascending at 45°, V-shaped, (1.5–)8–30(–50) cm × 1–6 mm; rachilla persistent, wingless (successive floral scales 1.1–1.5 mm apart). Spikelets 10–30, spreading, compressed, linear, 4–20 × 1.5–2.1 mm; floral scales deciduous, (2–)6–26, laterally brown to golden brown, edges clear, medially green, 5-ribbed, outermost ribs more noticeable than others, obovate to nearly orbiculate, 1.3–1.8 × 1.2–1.8 mm, margins emarginate, apex mucronulate, mucro 0.2–0.25 mm. Flowers: stamens 2(–3); anthers (0.2–)0.3–0.4 mm, tips of connectives reddish, less than 0.1 mm; styles less than 0.1 mm; stigmas 0.2–0.4(–0.5) mm. Achenes brown, slightly stipitate, obovoid, 1.2–1.4(–1.5) × 0.5–0.7 mm, apex apiculate, surfaces puncticulate.
Phenology: Fruiting summer.
Habitat: Disturbed soils
Elevation: 0–100 m
Distribution
Introduced; Conn., Ky., Mass., N.J., N.Y., Ohio, Pa., e Asia.
Discussion
The name Cyperus amuricus Maximowicz has been misapplied to C. microiria by some American authors (e.g., M. V. McGivney 1938).
Selected References
None.