Cyperaceae taxon details
Eleocharis equisetiformis (Meinsh.) B.Fedtsch.
1681082 (urn:lsid:marinespecies.org:taxname:1681082)
accepted
Species
Eleocharis truncatovaginata T.Koyama · unaccepted
Eleocharis valleculosa Ohwi · unaccepted
Eleocharis valleculosa f. setosa (Ohwi) Kitag. · unaccepted
Eleocharis valleculosa var. setosa Ohwi · unaccepted
Eleocharis valleculosa var. valleculosa Ohwi · unaccepted
Scirpus equisetiformis Meinsh. · unaccepted
terrestrial
Not documented
Description Plants perennial; rhizomes 2–4 mm thick, soft to firm, longer internodes 2–8 cm, scales persistent, 7–8 mm,...
Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Meinsh.) B.Fedtsch. to B.Fedtsch., information provided by...
Description Plants perennial; rhizomes 2–4 mm thick, soft to firm, longer internodes 2–8 cm, scales persistent, 7–8 mm, membranous, tubers absent. Culms terete, 50–100 cm × 5–8.4 mm, soft to firm, obscurely to clearly septate-nodulose throughout, internally hollow with complete transverse septa, closer together near the spikelet; plants never forming filiform, flaccid culms. Leaves: distal leaf sheaths persistent, membranous to thinly papery, apex acute to slightly acuminate. Spikelets not proliferous, 20–45 × 4–5(–8) mm; rachilla joints bearing prominent winglike remnants of floral scales; proximal scale empty, amplexicaulous, (2–)2.8–4.9 mm; floral scales 85–160, 1–3 per mm of rachilla, stramineous to pale brown, usually with pale to dark brown submarginal band, obovate to oblong, (4.8–)5.2–7 × 3–4.4 mm, cartilaginous, often membranous toward margins, margins broadly translucent, membranous, apex rounded to obtuse. Flowers: perianth bristles 3–8, stramineous to reddish, slender, vestigial to 2.5 mm, shorter than to equaling achene, smooth or obscurely retrorsely spinulose; anthers stramineous to red-striated, 2.6–3.2 mm; styles 2–3-fid. Achenes yellowish to reddish brown, obovoid, biconvex to obscurely compressed trigonous, 1.8–2.3 × 1.4–1.9 mm, obscurely sculptured or sometimes partially smooth at 10–15X, each face with 20–40 rows of linear, transversely elongated cells, lines separating cells obscure, apex with very short neck 0.6–0.8 mm wide. Tubercles dark brown, lamelliform, high-deltoid, 0.6–1.1 × 0.5–0.7 mm. [details]
Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Meinsh.) B.Fedtsch. to B.Fedtsch., information provided by...
Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Meinsh.) B.Fedtsch. to B.Fedtsch., information provided by Alan E. on email Oct. 12 2020 More details could be found in The Plan [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Eleocharis equisetiformis (Meinsh.) B.Fedtsch.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1681082 on 2025-09-12
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Nomenclature
original description
(of Eleocharis truncatovaginata T.Koyama) Koyama, T. (1957). Taxonomic study of Cyperaceae. 6. The Journal of Japanese Botany, 32(5): 147-153.
page(s): 148 [details] Available for editors
[request]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 148 [details] Available for editors
[request]basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
Other
additional source
Li, B. Z.; Zhang, S. R. (2024). An updated species checklist and taxonomic synopsis of Cyperaceae in China. <em>Biodiversity Science.</em> 32(7): 24106., available online at https://doi.org/10.17520/biods.2024106 [details] Available for editors [request]
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Description Plants perennial; rhizomes 2–4 mm thick, soft to firm, longer internodes 2–8 cm, scales persistent, 7–8 mm, membranous, tubers absent. Culms terete, 50–100 cm × 5–8.4 mm, soft to firm, obscurely to clearly septate-nodulose throughout, internally hollow with complete transverse septa, closer together near the spikelet; plants never forming filiform, flaccid culms. Leaves: distal leaf sheaths persistent, membranous to thinly papery, apex acute to slightly acuminate. Spikelets not proliferous, 20–45 × 4–5(–8) mm; rachilla joints bearing prominent winglike remnants of floral scales; proximal scale empty, amplexicaulous, (2–)2.8–4.9 mm; floral scales 85–160, 1–3 per mm of rachilla, stramineous to pale brown, usually with pale to dark brown submarginal band, obovate to oblong, (4.8–)5.2–7 × 3–4.4 mm, cartilaginous, often membranous toward margins, margins broadly translucent, membranous, apex rounded to obtuse. Flowers: perianth bristles 3–8, stramineous to reddish, slender, vestigial to 2.5 mm, shorter than to equaling achene, smooth or obscurely retrorsely spinulose; anthers stramineous to red-striated, 2.6–3.2 mm; styles 2–3-fid. Achenes yellowish to reddish brown, obovoid, biconvex to obscurely compressed trigonous, 1.8–2.3 × 1.4–1.9 mm, obscurely sculptured or sometimes partially smooth at 10–15X, each face with 20–40 rows of linear, transversely elongated cells, lines separating cells obscure, apex with very short neck 0.6–0.8 mm wide. Tubercles dark brown, lamelliform, high-deltoid, 0.6–1.1 × 0.5–0.7 mm. [details]Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from (Meinsh.) B.Fedtsch. to B.Fedtsch., information provided by Alan E. on email Oct. 12 2020 More details could be found in The Plan [details]
To Biodiversity Heritage Library (1 publication) (from synonym Eleocharis truncatovaginata T.Koyama)
To Biodiversity Heritage Library (14 publications) (from synonym Eleocharis valleculosa Ohwi)
To Biodiversity Heritage Library (3 publications) (from synonym Scirpus equisetiformis Meinsh.)
To European Nucleotide Archive, ENA (Eleocharis valleculosa) (from synonym Eleocharis valleculosa Ohwi)
To GenBank (4 nucleotides; 1 proteins) (from synonym Eleocharis valleculosa Ohwi)
To International Plant Names Index (IPNI) (from synonym Eleocharis valleculosa Ohwi)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Scirpus equisetiformis Meinsh.)
To International Plant Names Index (IPNI) (from synonym Eleocharis truncatovaginata T.Koyama)
To International Plant Names Index (IPNI) (from synonym Eleocharis valleculosa var. valleculosa Ohwi)
To International Plant Names Index (IPNI) (from synonym Eleocharis valleculosa var. setosa Ohwi)
To Plants of the World Online (from synonym Eleocharis valleculosa f. setosa (Ohwi) Kitag.)
To Plants of the World Online (from synonym Eleocharis valleculosa var. setosa Ohwi)
To Plants of the World Online (from synonym Eleocharis valleculosa var. valleculosa Ohwi)
To Plants of the World Online (from synonym Eleocharis truncatovaginata T.Koyama)
To Plants of the World Online
To Plants of the World Online (from synonym Scirpus equisetiformis Meinsh.)
To Plants of the World Online (from synonym Eleocharis valleculosa Ohwi)
To Biodiversity Heritage Library (14 publications) (from synonym Eleocharis valleculosa Ohwi)
To Biodiversity Heritage Library (3 publications) (from synonym Scirpus equisetiformis Meinsh.)
To European Nucleotide Archive, ENA (Eleocharis valleculosa) (from synonym Eleocharis valleculosa Ohwi)
To GenBank (4 nucleotides; 1 proteins) (from synonym Eleocharis valleculosa Ohwi)
To International Plant Names Index (IPNI) (from synonym Eleocharis valleculosa Ohwi)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Scirpus equisetiformis Meinsh.)
To International Plant Names Index (IPNI) (from synonym Eleocharis truncatovaginata T.Koyama)
To International Plant Names Index (IPNI) (from synonym Eleocharis valleculosa var. valleculosa Ohwi)
To International Plant Names Index (IPNI) (from synonym Eleocharis valleculosa var. setosa Ohwi)
To Plants of the World Online (from synonym Eleocharis valleculosa f. setosa (Ohwi) Kitag.)
To Plants of the World Online (from synonym Eleocharis valleculosa var. setosa Ohwi)
To Plants of the World Online (from synonym Eleocharis valleculosa var. valleculosa Ohwi)
To Plants of the World Online (from synonym Eleocharis truncatovaginata T.Koyama)
To Plants of the World Online
To Plants of the World Online (from synonym Scirpus equisetiformis Meinsh.)
To Plants of the World Online (from synonym Eleocharis valleculosa Ohwi)
