Difference between revisions of "Cyperus filiculmis"
Enum. Pl. 2: 328. 1805.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
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| + | |code=E | ||
| + | |label=Endemic | ||
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|name=Cyperus martindalei | |name=Cyperus martindalei | ||
|authority=Brittton | |authority=Brittton | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus filiculmis | |hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus filiculmis | ||
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name=Cyperus filiculmis | name=Cyperus filiculmis | ||
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|authority=Vahl | |authority=Vahl | ||
|rank=species | |rank=species | ||
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|publication title=Enum. Pl. | |publication title=Enum. Pl. | ||
|publication year=1805 | |publication year=1805 | ||
| − | |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_294.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, 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.