Difference between revisions of "Cyperus filiculmis"
Enum. Pl. 2: 328. 1805.
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|elevation=0–200 m | |elevation=0–200 m | ||
|distribution=Ala.;Fla.;Ga.;La.;Md.;Miss.;N.C.;S.C.;Tex.;Va. | |distribution=Ala.;Fla.;Ga.;La.;Md.;Miss.;N.C.;S.C.;Tex.;Va. | ||
| − | |discussion=<p>Cyperus filiculmis has long been treated within a broader and more widely used concept of C. filiculmis (C. lupulinus); see B. G. Marcks (1974)</p> | + | |discussion=<p><i>Cyperus filiculmis</i> has long been treated within a broader and more widely used concept of <i>C. filiculmis</i> (<i>C. lupulinus</i>); see B. G. Marcks (1974)</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1805 | |publication year=1805 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V23/V23_294.xml |
|genus=Cyperus | |genus=Cyperus | ||
|subgenus=Cyperus subg. Cyperus | |subgenus=Cyperus subg. Cyperus | ||
Revision as of 16:06, 18 September 2019
Herbs, perennial, cespitose, bases cormose; rhizomes knotted, beaded. Culms trigonous, 15–48 cm × 0.4–1 mm, glabrous. Leaves flat, 10–30 cm × 0.5–2 mm. Inflorescences: spikes rather densely ovoid, 1–3.5 cm; rays 0 (sometimes 1–4), 1–6 cm; rachis 1–4 mm; bracts 3–4, horizontal to slightly reflexed, flat, 6–25 cm; rachilla ± deciduous, wingless. Spikelets 25–60, compressed, oblong-lanceoloid, 5–12 × 2.2–3.5 mm; floral scales deciduous, 5–15, yellowish to yellowish brown, laterally 4–5-ribbed, oblong-ovate, 2.6–3.6 × 1.4–2 mm, margins loosely spreading or clasping achene. Flowers: anthers 0.8–1 mm; styles 1 mm; stigmas 1.5–2.5 mm. Achenes dark grayish brown, sessile, narrowly oblong, 1.8–2.2 × 0.5–0.8 mm, apex obtuse, apiculate, surfaces puncticulate.
Phenology: Fruiting summer.
Habitat: Well-drained, open roadsides, fields, pine barrens, dunes
Elevation: 0–200 m
Distribution
Ala., Fla., Ga., La., Md., Miss., N.C., S.C., Tex., Va.
Discussion
Cyperus filiculmis has long been treated within a broader and more widely used concept of C. filiculmis (C. lupulinus); see B. G. Marcks (1974)
Selected References
None.