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Cyperaceae taxon details

Rhynchospora plumosa Elliott

To New York Botanical Garden Steere Herbarium (Rhynchospora_plumosa_NY7064_type_1)
To New York Botanical Garden Steere Herbarium (Rhynchospora_plumosa_NY7064_type_1)

1681192  (urn:lsid:marinespecies.org:taxname:1681192)

  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 plumosa (Species)
accepted
Species

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terrestrial
Elliot, S. (1816). A Sketch of the Botany of South-Carolina and Georgia. 1., available online at https://www.biodiversitylibrary.org/page/10166269#page/1/mode/1up
page(s): 58 [details] 
Description Plants perennial, mostly densely cespitose, (10–)20–80 cm, bases pale brown to dull deep brown; rhizomes absent. Culms...  
Description Plants perennial, mostly densely cespitose, (10–)20–80 cm, bases pale brown to dull deep brown; rhizomes absent. Culms erect or excurved, filiform to linear. Leaves erect or excurved, shorter than scape; blades filiform to linear, to 1.5 mm wide, margins involute, apex trigonous, tapering. Inflorescences: spikelet clusters 1–several, dense or sparse, when several, either widely spaced or close together, if widely spaced then ovoid to hemispheric, if close together then lobed ellipse or cylinder; leafy bracts filiform, setaceous, overtopping each cluster. Spikelets light red brown to deep brown, broadly fusiform to ovoid, (2.5–)3.5–4 mm, apex acute to acuminate; fertile scale broadly ovate, strongly convex, (1.5–)2–3 mm, apex acuminate to mucronate, midrib excurrent or not. Flowers: perianth bristles 6, plumose, reaching at least to fruit midbody, often to tubercle tip. Fruits 1(–2) per spikelet, (1.5–)2–2.5 mm; body red brown or brown, tumidly obovoid or ellipsoid, sometimes obscurely lenticular, (1.2–)1.3–1.8(–2) × 1–1.5 mm; surfaces interruptedly cross rugulose; tubercle narrowly to broadly conic, mostly 0.3–0.5 mm, base flaring, round or indistinctly 2 lobed. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sketch Bot. S. Carolina 1: 58 1816 to Sketch Bot. S. Carolina 1: 58...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sketch Bot. S. Carolina 1: 58 1816 to Sketch Bot. S. Carolina 1: 58 (1816), 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 plumosa Elliott. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1681192 on 2025-09-12
Date
action
by
2023-09-06 07:35:01Z
created
Larridon, Isabel
2024-12-10 11:47:54Z
unchecked
db_admin
2025-09-08 08:02:58Z
checked
Marco Rosado, Nuria

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


Nomenclature

original description Elliot, S. (1816). A Sketch of the Botany of South-Carolina and Georgia. 1., available online at https://www.biodiversitylibrary.org/page/10166269#page/1/mode/1up
page(s): 58 [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 NY 00007064, geounit United States [details]
Syntype NY 00007066, geounit United States [details]
From editor or global species database
Description Plants perennial, mostly densely cespitose, (10–)20–80 cm, bases pale brown to dull deep brown; rhizomes absent. Culms erect or excurved, filiform to linear. Leaves erect or excurved, shorter than scape; blades filiform to linear, to 1.5 mm wide, margins involute, apex trigonous, tapering. Inflorescences: spikelet clusters 1–several, dense or sparse, when several, either widely spaced or close together, if widely spaced then ovoid to hemispheric, if close together then lobed ellipse or cylinder; leafy bracts filiform, setaceous, overtopping each cluster. Spikelets light red brown to deep brown, broadly fusiform to ovoid, (2.5–)3.5–4 mm, apex acute to acuminate; fertile scale broadly ovate, strongly convex, (1.5–)2–3 mm, apex acuminate to mucronate, midrib excurrent or not. Flowers: perianth bristles 6, plumose, reaching at least to fruit midbody, often to tubercle tip. Fruits 1(–2) per spikelet, (1.5–)2–2.5 mm; body red brown or brown, tumidly obovoid or ellipsoid, sometimes obscurely lenticular, (1.2–)1.3–1.8(–2) × 1–1.5 mm; surfaces interruptedly cross rugulose; tubercle narrowly to broadly conic, mostly 0.3–0.5 mm, base flaring, round or indistinctly 2 lobed. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sketch Bot. S. Carolina 1: 58 1816 to Sketch Bot. S. Carolina 1: 58 (1816), 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 Phaeocephalum plumosum (Elliott) House)
To Biodiversity Heritage Library (12 publications) (from synonym Rhynchospora penniseta Griseb.)
To Biodiversity Heritage Library (26 publications) (from synonym Schoenus ciliaris Muhl.)
To Biodiversity Heritage Library (29 publications) (from synonym Rhynchospora semiplumosa A.Gray)
To Biodiversity Heritage Library (61 publications) 
To European Nucleotide Archive, ENA (Rhynchospora plumosa) 
To GenBank (4 nucleotides; 3 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Rhynchospora penniseta Griseb.)
To International Plant Names Index (IPNI) (from synonym Phaeocephalum plumosum (Elliott) House)
To International Plant Names Index (IPNI) (from synonym Rhynchospora semiplumosa A.Gray)
To International Plant Names Index (IPNI) (from synonym Schoenus ciliaris Muhl.)
To International Plant Names Index (IPNI) (from synonym Rhynchospora plumosa var. interrupta Kük.)
To International Plant Names Index (IPNI) (from synonym Rhynchospora plumosa var. semiplumosa (A.Gray) Alph.Wood)
To New York Botanical Garden Steere Herbarium (Rhynchospora_plumosa_NY7064_type_1) 
To New York Botanical Garden Steere Herbarium (Rhynchospora_plumosa_NY7066_type_1) 
To New York Botanical Garden Steere Herbarium (Rhynchospora_semiplumosa_NY842425_holotype_1) (from synonym Rhynchospora semiplumosa A.Gray)
To Plants of the World Online (from synonym Schoenus ciliaris Muhl.)
To Plants of the World Online (from synonym Rhynchospora plumosa var. interrupta Kük.)
To Plants of the World Online (from synonym Rhynchospora plumosa var. semiplumosa (A.Gray) Alph.Wood)
To Plants of the World Online 
To Plants of the World Online (from synonym Phaeocephalum plumosum (Elliott) House)
To Plants of the World Online (from synonym Rhynchospora penniseta Griseb.)
To Plants of the World Online (from synonym Rhynchospora semiplumosa A.Gray)
To Royal Botanic Gardens, Kew (Rhynchospora plumosa K000433989 type 1) 
To US Herbarium (Rhynchospora penniseta US61012 type 1) (from synonym Rhynchospora penniseta Griseb.)
To US Herbarium (Rhynchospora plumosa interrupta US218517 type 1) (from synonym Rhynchospora plumosa var. interrupta Kük.)
From editor or global species database
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