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Cyperaceae taxon details

Rhynchospora capitellata (Michx.) Vahl

To New York Botanical Garden Steere Herbarium (Rhynchospora_glomerata_discutiens_NY3091345_lectotype_1)
To New York Botanical Garden Steere Herbarium (Rhynchospora_glomerata_discutiens_NY3091345_lectotype_1)

1679518  (urn:lsid:marinespecies.org:taxname:1679518)

  1. Biota
  2. Plantae (Kingdom)
  3. Viridiplantae (Subkingdom)
  4. Streptophyta (Infrakingdom)
  5. Tracheophyta (Phylum (Division))
  6. Spermatophytina (Subphylum (Subdivision))
  7. Magnoliopsida (Class)
  8. Lilianae (Superorder)
  9. Poales (Order)
  10. Cyperaceae (Family)
  11. Rhynchosporeae (Tribe)
  12. Rhynchospora (Genus)
  13. Rhynchospora capitellata (Species)
accepted
Species

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terrestrial
(of Schoenus capitellatus Michx.) Michaux, A. (1803). Cyperaceae. <em>Flora Boreali-Americana.</em> 1., available online at https://www.biodiversitylibrary.org/page/404794#page/3/mode/1up
page(s): 36 [details] 
Description  Plants perennial, cespitose, 20–100 cm; rhizomes absent. Culms arching-ascending, leafy, obtusely trigonous, slender;...  
Description  Plants perennial, cespitose, 20–100 cm; rhizomes absent. Culms arching-ascending, leafy, obtusely trigonous, slender; principal leaves overtopped by inflorescence; blades flat, to 3 mm, apex tapering, trigonous. Inflorescences terminal and axillary, clusters 1–5 or more, compact, turbinate or hemispheric, 1–1.5 cm wide; peduncles progressively shorter distally on culm; bracteal leaves mostly exceeding subtended compounds. Spikelets rich deep brown, rarely pale brown, lanceellipsoid, 3.5–4(–5) mm; fertile scale elliptic, 2.7–3 mm, apex acute or rounded, midrib shortexcurrent or not. Flowers: perianth absent. Fruits (1–)2–3(–5) per spikelet, (2–)2.5–3 mm; body redbrown with pale central disc, stipitate, lenticular, obovoid, 1.2–1.5 × 0.7–1(–1.2) mm, margins pale, wirelike, surfaces slick; tubercle triangular-subulate, (0.8–)1–1.2(–1.6) mm. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. Obs. 2: 235 1805 to Enum. Pl. Obs. 2: 235 (1805),...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. Obs. 2: 235 1805 to Enum. Pl. Obs. 2: 235 (1805), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Rhynchospora capitellata (Michx.) Vahl. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1679518 on 2025-09-13
Date
action
by
2023-09-06 07:35:01Z
created
Larridon, Isabel
2024-12-10 11:47:54Z
unchecked
db_admin
2025-09-02 07:51:11Z
checked
Marco Rosado, Nuria

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


Nomenclature

original description (of Schoenus capitellatus Michx.) Michaux, A. (1803). Cyperaceae. <em>Flora Boreali-Americana.</em> 1., available online at https://www.biodiversitylibrary.org/page/404794#page/3/mode/1up
page(s): 36 [details] 

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

new combination reference Vahl, M. (1805). Enumeratio plantarum, vel ab alium vel ab ipso observatum, cum earum differentiis specificis, synonymis selectis et descriptionibus succinctis. vol. II, pp. 1-423., available online at https://www.biodiversitylibrary.org/page/7352986#page/9/mode/1up
page(s): 235 [details] OpenAccess publication

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Isotype (of Schoenus capitellatus Michx.) P 00271813, geounit North Carolina [details]
From editor or global species database
Description  Plants perennial, cespitose, 20–100 cm; rhizomes absent. Culms arching-ascending, leafy, obtusely trigonous, slender; principal leaves overtopped by inflorescence; blades flat, to 3 mm, apex tapering, trigonous. Inflorescences terminal and axillary, clusters 1–5 or more, compact, turbinate or hemispheric, 1–1.5 cm wide; peduncles progressively shorter distally on culm; bracteal leaves mostly exceeding subtended compounds. Spikelets rich deep brown, rarely pale brown, lanceellipsoid, 3.5–4(–5) mm; fertile scale elliptic, 2.7–3 mm, apex acute or rounded, midrib shortexcurrent or not. Flowers: perianth absent. Fruits (1–)2–3(–5) per spikelet, (2–)2.5–3 mm; body redbrown with pale central disc, stipitate, lenticular, obovoid, 1.2–1.5 × 0.7–1(–1.2) mm, margins pale, wirelike, surfaces slick; tubercle triangular-subulate, (0.8–)1–1.2(–1.6) mm. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. Obs. 2: 235 1805 to Enum. Pl. Obs. 2: 235 (1805), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
To Biodiversity Heritage Library (1 publication) (from synonym Rhynchospora capitellata var. minor (Britton) S.F.Blake)
To Biodiversity Heritage Library (24 publications) (from synonym Schoenus capitellatus Michx.)
To Biodiversity Heritage Library (7 publications) (from synonym Rhynchospora smallii Britton)
To Biodiversity Heritage Library (79 publications) 
To European Nucleotide Archive, ENA (Rhynchospora capitellata f. controversa) (from synonym Rhynchospora capitellata f. controversa (S.F.Blake) Gale)
To European Nucleotide Archive, ENA (Rhynchospora capitellata) 
To GenBank (1 nucleotides; 0 proteins) (from synonym Rhynchospora capitellata f. controversa (S.F.Blake) Gale)
To International Plant Names Index (IPNI) (from synonym Rhynchospora capitellata f. controversa (S.F.Blake) Gale)
To International Plant Names Index (IPNI) (from synonym Rhynchospora glomerata var. minor Britton)
To International Plant Names Index (IPNI) (from synonym Rhynchospora capitellata f. discutiens (C.B.Clarke ex Britton) Gale)
To International Plant Names Index (IPNI) (from synonym Schoenus capitellatus Michx.)
To International Plant Names Index (IPNI) (from synonym Rhynchospora capitellata var. minor (Britton) S.F.Blake)
To International Plant Names Index (IPNI) (from synonym Rhynchospora glomerata var. capitellata (Michx.) Kük.)
To International Plant Names Index (IPNI) (from synonym Rhynchospora glomerata var. discutiens C.B.Clarke ex Britton)
To International Plant Names Index (IPNI) (from synonym Rhynchospora smallii Britton)
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Phaeocephalum glomeratum var. minus (Britton) Farw.)
To International Plant Names Index (IPNI) (from synonym Rhynchospora capitellata var. controversa S.F.Blake)
To International Plant Names Index (IPNI) (from synonym Rhynchospora capitellata var. discutiens (C.B.Clarke ex Britton) S.F.Blake)
To International Plant Names Index (IPNI) (from synonym Rhynchospora glomerata f. discutiens (C.B.Clarke ex Britton) Fernald)
To IUCN Red List (Least Concern) 
To New York Botanical Garden Steere Herbarium (Rhynchospora_glomerata_discutiens_NY3091345_lectotype_1) (from synonym Rhynchospora glomerata var. discutiens C.B.Clarke ex Britton)
To New York Botanical Garden Steere Herbarium (Rhynchospora_glomerata_minor_NY3091350_lectotype_1) (from synonym Rhynchospora glomerata var. minor Britton)
To New York Botanical Garden Steere Herbarium (Rhynchospora_smallii_NY51427_holotype_1) (from synonym Rhynchospora smallii Britton)
To Plants of the World Online (from synonym Schoenus capitellatus Michx.)
To Plants of the World Online (from synonym Rhynchospora smallii Britton)
To Plants of the World Online 
To Plants of the World Online (from synonym Rhynchospora capitellata var. minor (Britton) S.F.Blake)
To Plants of the World Online (from synonym Rhynchospora capitellata var. discutiens (C.B.Clarke ex Britton) S.F.Blake)
To Plants of the World Online (from synonym Rhynchospora capitellata var. controversa S.F.Blake)
To Plants of the World Online (from synonym Phaeocephalum glomeratum var. minus (Britton) Farw.)
To Plants of the World Online (from synonym Rhynchospora capitellata f. controversa (S.F.Blake) Gale)
To Plants of the World Online (from synonym Rhynchospora glomerata f. discutiens (C.B.Clarke ex Britton) Fernald)
To Plants of the World Online (from synonym Rhynchospora capitellata f. discutiens (C.B.Clarke ex Britton) Gale)
To Plants of the World Online (from synonym Rhynchospora glomerata var. minor Britton)
To Plants of the World Online (from synonym Rhynchospora glomerata var. discutiens C.B.Clarke ex Britton)
To Plants of the World Online (from synonym Rhynchospora glomerata var. capitellata (Michx.) Kük.)
To The Plant List (from synonym Rhynchospora capitellata f. capitellata (Michx.) Vahl)
From editor or global species database
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