Difference between revisions of "Cyperus lanceolatus"
in J. Lamarck et al., Encycl. 7: 245. 1806.
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|accepted_name=Cyperus lanceolatus | |accepted_name=Cyperus lanceolatus | ||
| − | |accepted_authority=Poiret | + | |accepted_authority=Poiret |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in J. Lamarck et al., Encycl. | |title=in J. Lamarck et al., Encycl. | ||
|place=7: 245. 1806 | |place=7: 245. 1806 | ||
|year=1806 | |year=1806 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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name=Cyperus lanceolatus | name=Cyperus lanceolatus | ||
| − | |authority=Poiret | + | |authority=Poiret |
|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
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|publication title=in J. Lamarck et al., Encycl. | |publication title=in J. Lamarck et al., Encycl. | ||
|publication year=1806 | |publication year=1806 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_258.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Pycreus | |subgenus=Cyperus subg. Pycreus | ||
Latest revision as of 21:39, 5 November 2020
Herbs, perennial, cespitose, rhizomatous. Culms trigonous, compressed, 15–75 cm × 0.5–3 mm, glabrous. Leaves 1–3, 5–30 cm × 1–2 mm. Inflorescences: spikes 1(–2), ovoid, 5–23 × 9–21 mm; rays 2–3(–4), 0–15 mm; if rays absent, head single, compact, sessile, (12–)15–20 mm diam.; bracts 2–3, horizontal to vertical, 2–14 cm × 0.5–3.5 mm. Spikelets 1–6, oblong-lanceoloid, 5–26 × 2–3 mm; floral scales 12–54, closely imbricate, laterally yellowish brown, medially pale brown, occasionally greenish, laterally 1-ribbed, medially 3-ribbed, distinctly 2-keeled basally, ovate, 1.8–2.6 × 1.4–1.7 mm, apex obtuse. Flowers: stamens 2; anthers 0.4–0.5 mm, connectives not prolonged; styles 0.3–1 mm; stigmas 0.6–0.8(–1) mm. Achenes brown, network of ridges forming isodiametric or square cells, stipitate, obovoid to ellipsoid, 1.1–1.3 × (0.5–)0.6 mm, apex acute to broadly rounded, surfaces minutely punctate or finely papillose.
Phenology: Fruiting summer.
Habitat: Marshes
Elevation: 0–100 m
Distribution
Ala., Fla., Ga., La., Tex., Mexico, Central America, South America, Africa.
Discussion
Selected References
None.