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Cyperaceae taxon details

Eleocharis erythropoda Steud.

To New York Botanical Garden Steere Herbarium (Scirpus_glaucus_NY7156_type_1)
To New York Botanical Garden Steere Herbarium (Scirpus_glaucus_NY7156_type_1)

1681085  (urn:lsid:marinespecies.org:taxname:1681085)

  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. Eleocharideae (Tribe)
  12. Eleocharis (Genus)
  13. Eleocharis erythropoda (Species)
accepted
Species
terrestrial
Not documented
Description Plants perennial, mat-forming; rhizomes evident, long, 0.5–1.5 mm thick, soft to firm, cortex often breaking loose,...  
Description Plants perennial, mat-forming; rhizomes evident, long, 0.5–1.5 mm thick, soft to firm, cortex often breaking loose, longer internodes 5–30 mm, scales often fugaceous, 4–8 mm, membranous, not fibrous. Culms terete, often with 8–12 blunt ridges when dry, 8–80 cm × 0.3–1.4 mm, firm to soft, internally spongy. Leaves: distal leaf sheaths persistent, not splitting, proximally red (to stramineous), distally green to stramineous, usually inflated, often callose, membranous to papery, apex often red-brown, broadly obtuse to subacute, tooth sometimes present, to 0.1 mm. Spikelets ovoid to lanceoloid or nearly cylindric, 3–18 × 2–3(–4) mm, apex acute (to obtuse); proximal scale amplexicaulous, entire; subproximal scale with flower; floral scales often spreading in fruit, 15–50, 4–5 per mm of rachilla, medium brown to sometimes red-brown, midrib regions mostly stramineous to green, in proximal part of spikelet ovate, apex rounded, in distal part lanceolate, apex entire, acute, 2–3.5 × 1.5–1.7 mm, mostly carinate. Flowers: perianth bristles 4 or absent, light brown to stramineous, stout, usually equal, equaling achene to slightly exceeding tubercle; stamens 3; anthers dark yellow to stramineous, 1–1.8 mm, apiculate; styles 2-fid. Achenes not persistent, dark yellow, stramineous, or dark brown, obovoid to obpyriform, biconvex, angles obscure, 0.9–1.6 × 0.7–1.2 mm, apex rounded, neck absent to long, smooth at 30X, or sometimes finely rugulose at 10–30X with 20 or more horizontal ridges in a vertical series. Tubercles brown to whitish, pyramidal, much higher than wide to, lower than wide, 0.35–0.65 × 0.2–0.6 mm. 2n = 16, 18, 19, 20. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Syn. Pl. Glumac. 2: 76 1854 to Syn. Pl. Glumac. 2: 76 (1854),...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Syn. Pl. Glumac. 2: 76 1854 to Syn. Pl. Glumac. 2: 76 (1854), 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. Eleocharis erythropoda Steud.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1681085 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

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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 perennial, mat-forming; rhizomes evident, long, 0.5–1.5 mm thick, soft to firm, cortex often breaking loose, longer internodes 5–30 mm, scales often fugaceous, 4–8 mm, membranous, not fibrous. Culms terete, often with 8–12 blunt ridges when dry, 8–80 cm × 0.3–1.4 mm, firm to soft, internally spongy. Leaves: distal leaf sheaths persistent, not splitting, proximally red (to stramineous), distally green to stramineous, usually inflated, often callose, membranous to papery, apex often red-brown, broadly obtuse to subacute, tooth sometimes present, to 0.1 mm. Spikelets ovoid to lanceoloid or nearly cylindric, 3–18 × 2–3(–4) mm, apex acute (to obtuse); proximal scale amplexicaulous, entire; subproximal scale with flower; floral scales often spreading in fruit, 15–50, 4–5 per mm of rachilla, medium brown to sometimes red-brown, midrib regions mostly stramineous to green, in proximal part of spikelet ovate, apex rounded, in distal part lanceolate, apex entire, acute, 2–3.5 × 1.5–1.7 mm, mostly carinate. Flowers: perianth bristles 4 or absent, light brown to stramineous, stout, usually equal, equaling achene to slightly exceeding tubercle; stamens 3; anthers dark yellow to stramineous, 1–1.8 mm, apiculate; styles 2-fid. Achenes not persistent, dark yellow, stramineous, or dark brown, obovoid to obpyriform, biconvex, angles obscure, 0.9–1.6 × 0.7–1.2 mm, apex rounded, neck absent to long, smooth at 30X, or sometimes finely rugulose at 10–30X with 20 or more horizontal ridges in a vertical series. Tubercles brown to whitish, pyramidal, much higher than wide to, lower than wide, 0.35–0.65 × 0.2–0.6 mm. 2n = 16, 18, 19, 20. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Syn. Pl. Glumac. 2: 76 1854 to Syn. Pl. Glumac. 2: 76 (1854), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
    Definitions

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To Biodiversity Heritage Library (1 publication) (from synonym Eleocharis calva var. australis (Nees) H.St.John)
To Biodiversity Heritage Library (1 publication) (from synonym Trichophyllum palustre var. calvum (A.Gray) House)
To Biodiversity Heritage Library (175 publications) (from synonym Scirpus glaucus Torr.)
To Biodiversity Heritage Library (3 publications) (from synonym Scirpus nudissimus Steud. & Jard.)
To Biodiversity Heritage Library (41 publications) 
To Biodiversity Heritage Library (59 publications) (from synonym Eleocharis calva (A.Gray) Torr. ex Fernald & Brackett)
To European Nucleotide Archive, ENA (Eleocharis erythropoda) 
To GenBank (79 nucleotides; 54 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Eleocharis calva (A.Gray) Torr. ex Fernald & Brackett)
To International Plant Names Index (IPNI) (from synonym Scirpus glaucus Torr.)
To International Plant Names Index (IPNI) (from synonym Scirpus nudissimus Steud. & Jard.)
To International Plant Names Index (IPNI) (from synonym Trichophyllum palustre var. calvum (A.Gray) House)
To International Plant Names Index (IPNI) (from synonym Eleocharis palustris var. australis Nees)
To International Plant Names Index (IPNI) (from synonym Eleocharis palustris var. calva A.Gray)
To International Plant Names Index (IPNI) (from synonym Eleocharis palustris subvar. calva (A.Gray) Farw.)
To IUCN Red List (Least Concern) 
To New York Botanical Garden Steere Herbarium (Scirpus_glaucus_NY7156_type_1) (from synonym Scirpus glaucus Torr.)
To Plants of the World Online (from synonym Scirpus nudissimus Steud. & Jard.)
To Plants of the World Online (from synonym Eleocharis calva var. australis (Nees) H.St.John)
To Plants of the World Online (from synonym Eleocharis palustris var. australis Nees)
To Plants of the World Online (from synonym Eleocharis calva (A.Gray) Torr. ex Fernald & Brackett)
To Plants of the World Online (from synonym Scirpus glaucus Torr.)
To Plants of the World Online 
To Plants of the World Online (from synonym Trichophyllum palustre var. calvum (A.Gray) House)
To Plants of the World Online (from synonym Eleocharis palustris var. calva A.Gray)
To Plants of the World Online (from synonym Eleocharis palustris subvar. calva (A.Gray) Farw.)
From editor or global species database
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