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Cyperaceae taxon details

Eleocharis minima Kunth

1680486  (urn:lsid:marinespecies.org:taxname:1680486)

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Kunth, C. S. (1837). Enumeratio Plantarum Omnium Hucusque Cognitarum, Secundum Familias Naturales Disposita, Adjectis Characteribus, Differentiis et Synonymis. Vol 2. Cyperographia synoptica sive enumeratio Cyperacearum omnium hucusque cognitarum. Stuttgart: Germany., available online at https://www.biodiversitylibrary.org/page/7428301#page/9/mode/1up
page(s): 139 [details] 
Description Plants annual, tufted, often mat-forming, often stoloniferous, sometimes entirely vegetative; rhizomes absent. Culms erect,...  
Description Plants annual, tufted, often mat-forming, often stoloniferous, sometimes entirely vegetative; rhizomes absent. Culms erect, ascending or arching, quadrangular, sulcate, 1–13 cm × 0.1–0.3 mm, soft. Leaves: distal leaf sheaths persistent or disintegrating, red-brown, stramineous, green, or mottled red-brown, translucent, apex narrowly acute. Spikelets: basal spikelets often present, bisexual; often proliferous, ovoid or ellipsoid, laterally compressed when young, but terete at maturity, 2–7 × 1–2.6 mm, acute; proximal scale empty, often persistent, amplexicaulous, similar to floral scales; subproximal scale with a flower; floral scales spirodistichous (superficially appearing ± spiraled), (4–)10–28, 6–9 per mm of rachilla, pale brown, mottled red-brown to purple, ovate or elliptic, 1.3–2.1 × 0.7–1 mm, membranous, midribs green and red-brown, prominent, apex rounded to obtuse. Flowers: perianth bristles 6, colorless, white, or stramineous, slightly shorter than to equaling achene, spinules retrorse, acute; stamens 3; anthers 0.4–0.5 mm; styles 3-fid. Achenes greenish or pale brown or red-brown, often clearly spotted greenish or red-brown, ellipsoid to obovoid, trigonous (or terete?), angles prominent (keeled), 0.6–0.8 × 0.4–0.5 mm, apex constricted proximal to tubercle, smooth. Tubercles red-brown, pyramidal, trigonous, 0.1–0.3 × 0.2–0.4 mm. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. 2: 139 1837 to Enum. Pl. 2: 139 (1837), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. 2: 139 1837 to Enum. Pl. 2: 139 (1837), information provided by Alan E. on email Jun. 07 2021 More details could be found in The [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Eleocharis minima Kunth. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1680486 on 2025-12-15
Date
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2023-09-06 07:35:01Z
created
2024-12-10 11:47:54Z
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2025-10-07 08:22:19Z
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Nomenclature

original description Kunth, C. S. (1837). Enumeratio Plantarum Omnium Hucusque Cognitarum, Secundum Familias Naturales Disposita, Adjectis Characteribus, Differentiis et Synonymis. Vol 2. Cyperographia synoptica sive enumeratio Cyperacearum omnium hucusque cognitarum. Stuttgart: Germany., available online at https://www.biodiversitylibrary.org/page/7428301#page/9/mode/1up
page(s): 139 [details] 

basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details] 

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Syntype K 000632175, geounit Ecuador [details]
From editor or global species database
Description Plants annual, tufted, often mat-forming, often stoloniferous, sometimes entirely vegetative; rhizomes absent. Culms erect, ascending or arching, quadrangular, sulcate, 1–13 cm × 0.1–0.3 mm, soft. Leaves: distal leaf sheaths persistent or disintegrating, red-brown, stramineous, green, or mottled red-brown, translucent, apex narrowly acute. Spikelets: basal spikelets often present, bisexual; often proliferous, ovoid or ellipsoid, laterally compressed when young, but terete at maturity, 2–7 × 1–2.6 mm, acute; proximal scale empty, often persistent, amplexicaulous, similar to floral scales; subproximal scale with a flower; floral scales spirodistichous (superficially appearing ± spiraled), (4–)10–28, 6–9 per mm of rachilla, pale brown, mottled red-brown to purple, ovate or elliptic, 1.3–2.1 × 0.7–1 mm, membranous, midribs green and red-brown, prominent, apex rounded to obtuse. Flowers: perianth bristles 6, colorless, white, or stramineous, slightly shorter than to equaling achene, spinules retrorse, acute; stamens 3; anthers 0.4–0.5 mm; styles 3-fid. Achenes greenish or pale brown or red-brown, often clearly spotted greenish or red-brown, ellipsoid to obovoid, trigonous (or terete?), angles prominent (keeled), 0.6–0.8 × 0.4–0.5 mm, apex constricted proximal to tubercle, smooth. Tubercles red-brown, pyramidal, trigonous, 0.1–0.3 × 0.2–0.4 mm. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. 2: 139 1837 to Enum. Pl. 2: 139 (1837), information provided by Alan E. on email Jun. 07 2021 More details could be found in The [details]
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