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Difference between revisions of "Cyperus lupulinus"
Trans. Wisconsin Acad. Sci. 62: 271. 1974.
IllustratedEndemic
Basionym: Scirpus lupulinus Sprengel Mant. Prim. Fl. Hal., 30. 1807
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|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=Trans. Wisconsin Acad. Sci. | |title=Trans. Wisconsin Acad. Sci. | ||
| − | |place=62: | + | |place=62: 271. 1974 |
|year=1974 | |year=1974 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
| − | |name= | + | |name=Scirpus lupulinus |
| − | |authority= | + | |authority=Sprengel |
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| − | |||
| − | |||
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|rank=species | |rank=species | ||
| + | |publication_title=Mant. Prim. Fl. Hal., | ||
| + | |publication_place=30. 1807 | ||
}} | }} | ||
| + | |synonyms= | ||
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus lupulinus | |hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus lupulinus | ||
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Cyperus]]</div><div class="higher-taxon"><small>subgenus</small>[[Cyperus subg. Cyperus]]</div><div class="higher-taxon"><small>species</small>[[Cyperus lupulinus]]</div></div> | |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Cyperus]]</div><div class="higher-taxon"><small>subgenus</small>[[Cyperus subg. Cyperus]]</div><div class="higher-taxon"><small>species</small>[[Cyperus lupulinus]]</div></div> | ||
|volume=Volume 23 | |volume=Volume 23 | ||
| − | |mention_page=page | + | |mention_page=page 144, 147, 175 |
| − | |treatment_page=page | + | |treatment_page=page 176 |
}}<!-- | }}<!-- | ||
| − | --><span class="statement" id="st-undefined" data-properties=""><b>Culms </b>(3–) | + | --><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, cespitose, bases cormose; rhizomes knotted, beaded. <b>Culms</b> trigonous, (3–)10–50 cm × 0.4–1.2 mm, glabrous. <b>Leaves</b> flat, 5–40 cm × 1–3.5 mm. <b>Inflorescences</b>: spikes rather densely ovoid to globose, 1.2–3.5 cm; rays 0 or 1–4, 1–6 cm; rachis 1–3.5 mm; bracts 2–4, horizontal to reflexed, flat, 6–25 cm; rachilla ± deciduous, wingless. <b>Spikelets</b> 15–60, compressed, oblong-lanceoloid, (3–)6–22 × 2.5–4 mm; floral scales deciduous, 5–22, off-white to light reddish brown, laterally 3–5-ribbed, ovate-elliptic, 2.5–4 × 2–2.6 mm, margins loosely spreading or clasping achene, apex entire to mucronate, mucro 0.05–0.2 mm. <b>Flowers</b>: anthers 0.3–0.6 mm; styles 1 mm; stigmas 1–1.5 mm. <b>Achenes</b> dark brown or black, sessile, oblong-ellipsoid to ellipsoid, 1.7–2.2 × 0.8–1.2 mm, apex obtuse, apiculate, surfaces puncticulate. <b>2n</b> = 166.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | + | |distribution=N.B.;N.S.;Ont.;Que.;Ark.;Colo.;Conn.;D.C.;Del.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Mass.;Md.;Mich.;Minn.;Mo.;N.C.;N.H.;N.J.;N.Y.;Nebr.;Ohio;Oreg.;Pa.;R.I.;Tenn.;Tex.;Va.;Vt.;W.Va.;Wis. | |
| − | + | |discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | |
| − | + | --><p><i>Cyperus lupulinus</i> was studied in detail (B. G. Marcks 1974). Ranges of the two subspecies overlap somewhat. <i>Cyperus lupulinus</i> subsp. lupulinus is found chiefly in the Great Plains, and subsp. macilentus is centered in the Northeast. It is seldom difficult to assign specimens to subspecies.</p><!-- | |
| − | |distribution=N.B.;N.S.;Ont.;Que.; | + | --><p>The hybrid of <i>Cyperus lupulinus</i> with <i>C. schweinitzii</i> is C. ×mesochorus Geise. It is occasionally encountered with the two parent species in the north-central states (Illinois, Indiana, Michigan, Minnesota, and Wisconsin) and has been recorded once from Quebec. The hybrid is similar in size to <i>C. schweinitzii</i>; it has fewer rays, inflorescence bracts 30–45º above horizontal, and floral scales with mucros 0.4–0.5 mm.</p> |
| − | |discussion=<p>Subspecies 2 (2 in the flora).</p> | ||
|tables= | |tables= | ||
|references= | |references= | ||
}}<!-- | }}<!-- | ||
| − | --><!-- | + | --><div class="treatment-key"> |
| + | ==Key== | ||
| + | <div class="treatment-key-group"> | ||
| + | |||
| + | {| class="wikitable fna-keytable" | ||
| + | |-id=key-0-1 | ||
| + | |1 | ||
| + | |Floral scales 2.5–4 mm, margins not clasping achene; spikelets with 5–22 floral scales. | ||
| + | |[[Cyperus lupulinus subsp. lupulinus|Cyperus lupulinus subsp. lupulinus]] | ||
| + | |-id=key-0-1 | ||
| + | |1 | ||
| + | |Floral scales 1.8–2.5 mm, margins tightly clasping achene; spikelets with 3–7 floral scales. | ||
| + | |[[Cyperus lupulinus subsp. macilentus|Cyperus lupulinus subsp. macilentus]] | ||
| + | |} | ||
| + | </div></div><!-- | ||
-->{{#Taxon: | -->{{#Taxon: | ||
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|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
| − | |synonyms= | + | |synonyms= |
| − | |basionyms= | + | |basionyms=Scirpus lupulinus |
|family=Cyperaceae | |family=Cyperaceae | ||
| − | + | |distribution=N.B.;N.S.;Ont.;Que.;Ark.;Colo.;Conn.;D.C.;Del.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Mass.;Md.;Mich.;Minn.;Mo.;N.C.;N.H.;N.J.;N.Y.;Nebr.;Ohio;Oreg.;Pa.;R.I.;Tenn.;Tex.;Va.;Vt.;W.Va.;Wis. | |
| − | |||
| − | |||
| − | |distribution=N.B.;N.S.;Ont.;Que.; | ||
|reference=None | |reference=None | ||
|publication title=Trans. Wisconsin Acad. Sci. | |publication title=Trans. Wisconsin Acad. Sci. | ||
|publication year=1974 | |publication year=1974 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_295.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Cyperus | |subgenus=Cyperus subg. Cyperus | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Cyperus subg. Cyperus]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Cyperus subg. Cyperus]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 19:36, 6 November 2020
Herbs, perennial, cespitose, bases cormose; rhizomes knotted, beaded. Culms trigonous, (3–)10–50 cm × 0.4–1.2 mm, glabrous. Leaves flat, 5–40 cm × 1–3.5 mm. Inflorescences: spikes rather densely ovoid to globose, 1.2–3.5 cm; rays 0 or 1–4, 1–6 cm; rachis 1–3.5 mm; bracts 2–4, horizontal to reflexed, flat, 6–25 cm; rachilla ± deciduous, wingless. Spikelets 15–60, compressed, oblong-lanceoloid, (3–)6–22 × 2.5–4 mm; floral scales deciduous, 5–22, off-white to light reddish brown, laterally 3–5-ribbed, ovate-elliptic, 2.5–4 × 2–2.6 mm, margins loosely spreading or clasping achene, apex entire to mucronate, mucro 0.05–0.2 mm. Flowers: anthers 0.3–0.6 mm; styles 1 mm; stigmas 1–1.5 mm. Achenes dark brown or black, sessile, oblong-ellipsoid to ellipsoid, 1.7–2.2 × 0.8–1.2 mm, apex obtuse, apiculate, surfaces puncticulate. 2n = 166.
Distribution
N.B., N.S., Ont., Que., Ark., Colo., Conn., D.C., Del., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Md., Mich., Minn., Mo., N.C., N.H., N.J., N.Y., Nebr., Ohio, Oreg., Pa., R.I., Tenn., Tex., Va., Vt., W.Va., Wis.
Discussion
Subspecies 2 (2 in the flora).
Cyperus lupulinus was studied in detail (B. G. Marcks 1974). Ranges of the two subspecies overlap somewhat. Cyperus lupulinus subsp. lupulinus is found chiefly in the Great Plains, and subsp. macilentus is centered in the Northeast. It is seldom difficult to assign specimens to subspecies.
The hybrid of Cyperus lupulinus with C. schweinitzii is C. ×mesochorus Geise. It is occasionally encountered with the two parent species in the north-central states (Illinois, Indiana, Michigan, Minnesota, and Wisconsin) and has been recorded once from Quebec. The hybrid is similar in size to C. schweinitzii; it has fewer rays, inflorescence bracts 30–45º above horizontal, and floral scales with mucros 0.4–0.5 mm.
Selected References
None.
Key
| 1 | Floral scales 2.5–4 mm, margins not clasping achene; spikelets with 5–22 floral scales. | Cyperus lupulinus subsp. lupulinus |
| 1 | Floral scales 1.8–2.5 mm, margins tightly clasping achene; spikelets with 3–7 floral scales. | Cyperus lupulinus subsp. macilentus |
... more about "Cyperus lupulinus"
N.B. +, N.S. +, Ont. +, Que. +, Ark. +, Colo. +, Conn. +, D.C. +, Del. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Mo. +, N.C. +, N.H. +, N.J. +, N.Y. +, Nebr. +, Ohio +, Oreg. +, Pa. +, R.I. +, Tenn. +, Tex. +, Va. +, Vt. +, W.Va. + and Wis. +
Present +
Trans. Wisconsin Acad. Sci. +
1974 +
Cyperus lupulinus +
Cyperus subg. Cyperus +
species +