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Cyperaceae taxon details

Scleria baldwinii (Torr.) Steud.

1681637 (urn:lsid:marinespecies.org:taxname:1681637)

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terrestrial
(of Hypoporum baldwinii Torr.) Torrey, J. (1836). Monograph of North America Cyperaceae. <em>Annals of the Lyceum of Natural History of New York.</em> 3: 239-448., available online at https://www.biodiversitylibrary.org/page/16077440#page/7/mode/1up
page(s): 382 [details] OpenAccess publication
Description Plants perennial, sometimes cespitose; rhizomes horizontal, nodulose. Culms stout, 30–90 cm, base smooth or slightly...  
Description Plants perennial, sometimes cespitose; rhizomes horizontal, nodulose. Culms stout, 30–90 cm, base smooth or slightly scabrous distally. Leaves: sheaths purple or brownish, tight, smooth or weakly ribbed, narrowly winged, glabrous; contra-ligules minute, obtuse; blades linear, keeled, shorter than culms, 1–5 mm wide, rigid, glabrous or slightly scabrous on margins. Inflorescences 1–2 cm; clusters 1, 5–15 mm wide, each with 3–7 spikelets; bracts subtending inflorescence awl-shaped, 4–15 cm × 1–4 mm. Spikelets bisexual and staminate, 5–10 mm; staminate spikelets many flowered; staminate scales lanceolate, membranous, pistillate scales ovate-acuminate, rigid. Achenes dull white or often brownish gray or with dark gray bands, obscurely trigonous, ovoid-globose, 3–4 mm, smooth, often ribbed, base without pores, sides concave between angles, distinctly trigonous, pointed, apex conspicuously mucronate; hypogynium obsolete, reduced to small brownish ring just distal to pointed base. [details]

Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Torr.) Steud. to Steud., information provided by Alan E. on...  
Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Torr.) Steud. to Steud., 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. Scleria baldwinii (Torr.) Steud.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1681637 on 2026-08-07
Date
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by
2023-09-06 07:35:01Z
created
2024-12-10 11:47:54Z
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2025-09-15 07:53:44Z
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Nomenclature

original description (of Hypoporum baldwinii Torr.) Torrey, J. (1836). Monograph of North America Cyperaceae. <em>Annals of the Lyceum of Natural History of New York.</em> 3: 239-448., available online at https://www.biodiversitylibrary.org/page/16077440#page/7/mode/1up
page(s): 382 [details] OpenAccess publication

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

new combination reference Steudel, E. G. (1855). Synopsis Plantarum Glumacearum. II. Cyperaceae. Metzler. Stuttgart. 246 pp., available online at https://www.biodiversitylibrary.org/page/44896084#page/8/mode/1up
page(s): 175 [details] OpenAccess publication

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Syntype (of Hypoporum baldwinii Torr.) NY Hypoporum baldwinii, geounit United States [details]
From editor or global species database
Description Plants perennial, sometimes cespitose; rhizomes horizontal, nodulose. Culms stout, 30–90 cm, base smooth or slightly scabrous distally. Leaves: sheaths purple or brownish, tight, smooth or weakly ribbed, narrowly winged, glabrous; contra-ligules minute, obtuse; blades linear, keeled, shorter than culms, 1–5 mm wide, rigid, glabrous or slightly scabrous on margins. Inflorescences 1–2 cm; clusters 1, 5–15 mm wide, each with 3–7 spikelets; bracts subtending inflorescence awl-shaped, 4–15 cm × 1–4 mm. Spikelets bisexual and staminate, 5–10 mm; staminate spikelets many flowered; staminate scales lanceolate, membranous, pistillate scales ovate-acuminate, rigid. Achenes dull white or often brownish gray or with dark gray bands, obscurely trigonous, ovoid-globose, 3–4 mm, smooth, often ribbed, base without pores, sides concave between angles, distinctly trigonous, pointed, apex conspicuously mucronate; hypogynium obsolete, reduced to small brownish ring just distal to pointed base. [details]

Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Torr.) Steud. to Steud., 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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