Difference between revisions of "Cyperus lancastriensis"
in A. Gray, Manual ed. 5 issue 6, 555. 1867.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Cyperus lancastriensis | |accepted_name=Cyperus lancastriensis | ||
| − | |accepted_authority=Porter | + | |accepted_authority=Porter |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. Gray, Manual ed. | |title=in A. Gray, Manual ed. | ||
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}} | }} | ||
|common_names=Porter’s sedge | |common_names=Porter’s sedge | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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name=Cyperus lancastriensis | name=Cyperus lancastriensis | ||
| − | |authority=Porter | + | |authority=Porter |
|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
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|publication title=in A. Gray, Manual ed. | |publication title=in A. Gray, Manual ed. | ||
|publication year=1867 | |publication year=1867 | ||
| − | |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_311.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Cyperus | |subgenus=Cyperus subg. Cyperus | ||
Latest revision as of 20:39, 5 November 2020
Herbs, perennial, cespitose, with inconspicuous, short rhizomes scarcely visible between culm bases. Culms basally cormlike, trigonous, (10–)20–80 cm × 1–3 mm, glabrous. Leaves inversely W-shaped, 20–70 cm × 5–11 mm, adaxial surface, margins minutely scabridulous. Inflorescences: spikes densely ellipsoid to obovoid, 2.5–4.3 × 1.5–3 cm; rays 5–10, 4–20 cm, glabrous; rachis 7–14 mm; bracts 3–8, horizontal to ascending at 45°, flat, 5–35 cm × 2.5–6 mm; rachilla persistent, wings 0.5 mm wide. Spikelets 50–90, linear-lanceoloid to linear-subulate, ± terete-quadrangular, (11–)12–13(–15) × 1.1–1.6 mm; distal spikelet spreading or ascending; floral scales persistent, 3–6(–8), appressed, whitish green or often yellow-tinted, sometimes reddish striate, laterally 4-ribbed, ovate-lanceolate, (3.9–)4.2–4.6(–4.8) × 1.6–2 mm. Flowers: anthers 0.7–1 mm; styles 1–1.5 mm; stigmas 2–3 mm. Achenes yellowish brown to brown, ± stipitate, conspicuously falcate, 3–4 times long as wide, oblong, 2.2–2.6 × 0.6–0.7 mm, apex obtuse, surfaces puncticulate.
Phenology: Fruiting summer (Jul–Aug).
Habitat: Disturbed, sunny or partly shaded places in mesic or dry-mesic soils, often on riverbanks and flood plains
Elevation: 0–800 m
Distribution
Ala., Ark., Del., D.C., Fla., Ga., Ky., Md., Mo., N.J., N.C., Ohio, Pa., S.C., Tenn., Va., W.Va.
Discussion
Selected References
None.