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Cyperaceae taxon details

Isolepis ludwigii (Steud.) Kunth

1679385  (urn:lsid:marinespecies.org:taxname:1679385)

accepted
Species
terrestrial
(of Fimbristylis ludwigii Steud.) Steudel, E. G. (1829). Einige Bermekungen uber Kapsche Restiaceen, Cyperaceen und Gramineen. <em>Flora.</em> 12: 129-144., available online at https://www.biodiversitylibrary.org/page/25466#page/132/mode/1up
page(s): 139 [details] 
Description Mat-forming annual or short-lived perennial. Roots minute; rhizome 11–125 × 0.4–1.5 mm, horizontal and above ground,...  
Description Mat-forming annual or short-lived perennial. Roots minute; rhizome 11–125 × 0.4–1.5 mm, horizontal and above ground, green. Culms 1.2–10 cm tall, 0.3–0.7 mm in diameter, without nodes, with peduncles clustered on rhizome nodes. Leaves: sheath 5–15 × 0.4–1 mm, green; blade 5–54 × 0.3–0.6 mm. Inflorescence terminal, not proliferating; bract 2–3 × 0.6–1 mm. Spikelet solitary, 2.6–8 × 1–1.8 mm, with 6–19 glumes. Glumes 1.5–2.8 × 0.6–1 mm, acute, green or with brownish patches, midrib green with mucro <0.1 mm. Style bifid. Stamens 3; anthers 0.7–1.3 mm long, crested. Nutlets 0.8–1.8 × 0.4–0.9 mm, brown, minutely reticulate. [details]

Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Steud.) Kunth to Kunth, information provided by Alan E. on...  
Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Steud.) Kunth to Kunth, information provided by Alan E. on email Oct. 12 2020 More details could be found in The Plant List v.1. [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Isolepis ludwigii (Steud.) Kunth. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1679385 on 2025-12-15
Date
action
by
2023-09-06 07:35:01Z
created
2024-12-10 11:47:54Z
unchecked
db_admin
2025-10-30 10:56:05Z
checked

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Nomenclature

original description (of Fimbristylis ludwigii Steud.) Steudel, E. G. (1829). Einige Bermekungen uber Kapsche Restiaceen, Cyperaceen und Gramineen. <em>Flora.</em> 12: 129-144., available online at https://www.biodiversitylibrary.org/page/25466#page/132/mode/1up
page(s): 139 [details] 

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

new combination reference 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): 189 [details] 

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Syntype (of Fimbristylis ludwigii Steud.) 000365, geounit South Africa (country) [details]
From editor or global species database
Description Mat-forming annual or short-lived perennial. Roots minute; rhizome 11–125 × 0.4–1.5 mm, horizontal and above ground, green. Culms 1.2–10 cm tall, 0.3–0.7 mm in diameter, without nodes, with peduncles clustered on rhizome nodes. Leaves: sheath 5–15 × 0.4–1 mm, green; blade 5–54 × 0.3–0.6 mm. Inflorescence terminal, not proliferating; bract 2–3 × 0.6–1 mm. Spikelet solitary, 2.6–8 × 1–1.8 mm, with 6–19 glumes. Glumes 1.5–2.8 × 0.6–1 mm, acute, green or with brownish patches, midrib green with mucro <0.1 mm. Style bifid. Stamens 3; anthers 0.7–1.3 mm long, crested. Nutlets 0.8–1.8 × 0.4–0.9 mm, brown, minutely reticulate. [details]

Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Steud.) Kunth to Kunth, information provided by Alan E. on email Oct. 12 2020 More details could be found in The Plant List v.1. [details]
    Definitions

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