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Cyperaceae taxon details

Scleria lacustris C.Wright

1681720  (urn:lsid:marinespecies.org:taxname:1681720)

accepted
Species
terrestrial
Not documented
Description Plants annual; rhizomes absent; roots purplish brown to black, fibrous. Culms mostly solitary or few together, stout,...  
Description Plants annual; rhizomes absent; roots purplish brown to black, fibrous. Culms mostly solitary or few together, stout, 60–180 cm, strongly retrorsely scabrous. Leaves: proximal sheaths purplish, winged, strongly ribbed, sparsely pubescent; contra-ligule triangular; blades linear, M-shaped in cross section, shorter than culms, 10–25 mm wide, glabrous, retrorsely scabrous on midrib, mid lateral veins, and margins. Inflorescences: axillary 2–4, terminal 1, stalked panicles, open paniculate, terminal panicle 7–14 cm with numerous short fascicles 4–8 mm wide, of 2–5 spikelets; bracts subtending inflorescence leaflike, broadly attenuate, ± equaling inflorescence, antrorsely scabrous. Spikelets bisexual and staminate, few flowered, 3.8–5 mm; staminate scales narrowly ovate, pistillate scales purple with prominent green keel, broadly ovate, abruptly acuminate. Achenes greenish to whitish or sometimes mottled gray, shiny, rounded-trigonous to ± circular, ovoid, 3.4–3.8 × 2.3–2.8 mm, smooth, apex rounded; hypogynium whitish to pale brown, bluntly 3-angled, low. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Anales Acad. Ci. Méd. Habana 8: 163 1871 to Anales Acad. Ci. Med....  
Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Anales Acad. Ci. Méd. Habana 8: 163 1871 to Anales Acad. Ci. Med. Habana 8: 152. 1871 [15 Aug 1871] , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Scleria lacustris C.Wright. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1681720 on 2025-09-11
Date
action
by
2023-09-06 07:35:01Z
created
2024-12-10 11:47:54Z
unchecked
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Nomenclature

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 
   

From editor or global species database
Description Plants annual; rhizomes absent; roots purplish brown to black, fibrous. Culms mostly solitary or few together, stout, 60–180 cm, strongly retrorsely scabrous. Leaves: proximal sheaths purplish, winged, strongly ribbed, sparsely pubescent; contra-ligule triangular; blades linear, M-shaped in cross section, shorter than culms, 10–25 mm wide, glabrous, retrorsely scabrous on midrib, mid lateral veins, and margins. Inflorescences: axillary 2–4, terminal 1, stalked panicles, open paniculate, terminal panicle 7–14 cm with numerous short fascicles 4–8 mm wide, of 2–5 spikelets; bracts subtending inflorescence leaflike, broadly attenuate, ± equaling inflorescence, antrorsely scabrous. Spikelets bisexual and staminate, few flowered, 3.8–5 mm; staminate scales narrowly ovate, pistillate scales purple with prominent green keel, broadly ovate, abruptly acuminate. Achenes greenish to whitish or sometimes mottled gray, shiny, rounded-trigonous to ± circular, ovoid, 3.4–3.8 × 2.3–2.8 mm, smooth, apex rounded; hypogynium whitish to pale brown, bluntly 3-angled, low. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Anales Acad. Ci. Méd. Habana 8: 163 1871 to Anales Acad. Ci. Med. Habana 8: 152. 1871 [15 Aug 1871] , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]