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Cyperaceae taxon details

Carex olivacea Boott

To LE Herbarium (Carex olivacea LE00010348 syntype 1)
To LE Herbarium (Carex olivacea LE00010348 syntype 1)

1676644  (urn:lsid:marinespecies.org:taxname:1676644)

  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. Cariceae (Tribe)
  12. Carex (Genus)
  13. Carex subg. Carex (Subgenus)
  14. Carex sect. Paludosae (Section)
  15. Carex olivacea (Species)
accepted
Species

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terrestrial
Boott, F. (1846). Caricis species novae vel minus cognatae. Proceedings of the Linnean Society of London, 1: 258-262, 284-288., available online at https://www.biodiversitylibrary.org/page/8550212#page/280/mode/1up
page(s): 286 [details] 
Description Rhizome rather thick and short, ligneous, with elongate and rather thick stolons. Culms loosely tufted, 45-95 cm tall,...  
Description Rhizome rather thick and short, ligneous, with elongate and rather thick stolons. Culms loosely tufted, 45-95 cm tall, acutely triquetrous, slightly scabrous on angles, densely with many leaves at base. Leaves longer than culm, blades 8-18 mm wide, flat, with 2 distinct lateral veins, smooth on both surfaces, scabrous on margins, sheathed, basal sheaths usually dehiscent. Involucral bracts leaflike, longer than subtending spike, very shortly sheathed or nearly not sheathed. Spikes 5-7, usually congregate at top of culm; uppermost 1 or 2 spikes male, cylindric or narrowly cylindric, 3-7 cm, shortly pedunculate or nearly sessile; remaining spikes female, sometimes with few male flowers at apex, cylindric, 5-10 cm, lowermost spike sometimes with rather long peduncle, upper spikes with much shorter peduncle or nearly sessile. Female glumes at base of spike subovate, ca. 8.5 mm (including ca. 5 mm awn), apex with long awn, upper glumes oblong-lanceolate, 4-5 mm, apex attenuate or truncate, with a short awn or mucro, ferruginous, membranous, 1-3-veined. Utricles dark brown-green, nearly equaling glume, shorter than glume at base of spike, nearly horizontally patent at maturity, ovate, broadly ovate, or subobovate, inflated trigonous, ca. 4 mm, membranous, glabrous, several veined, transversely rugose and several tuberculate between veins, base broadly cuneate, apex abruptly contracted into a medium-sized to long or rather short beak, beak recurved, emarginate or shortly 2-toothed at orifice. Nutlets yellowish brown, rather loosely enveloped, elliptic or subobovate, trigonous, ca. 2 mm, densely tuberculate on surface, base very shortly stipitate, apex with recurved mucro; stigmas 3. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Proc. Linn. Soc. London 1(29): 286. 1846 [Aug 1846] to Proc. Linn....  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Proc. Linn. Soc. London 1(29): 286. 1846 [Aug 1846] to Proc. Linn. Soc. London 1: 286 (1846), 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. Carex olivacea Boott. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1676644 on 2025-09-14
Date
action
by
2023-09-06 07:28:28Z
created
Jiménez-Mejías, Pedro
2024-12-10 11:47:54Z
unchecked
db_admin
2025-03-11 11:19:03Z
changed
Márquez-Corro, José Ignacio

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


Nomenclature

original description Boott, F. (1846). Caricis species novae vel minus cognatae. Proceedings of the Linnean Society of London, 1: 258-262, 284-288., available online at https://www.biodiversitylibrary.org/page/8550212#page/280/mode/1up
page(s): 286 [details] 

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  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Syntype LE 00010348, geounit India [details]
From editor or global species database
Description Rhizome rather thick and short, ligneous, with elongate and rather thick stolons. Culms loosely tufted, 45-95 cm tall, acutely triquetrous, slightly scabrous on angles, densely with many leaves at base. Leaves longer than culm, blades 8-18 mm wide, flat, with 2 distinct lateral veins, smooth on both surfaces, scabrous on margins, sheathed, basal sheaths usually dehiscent. Involucral bracts leaflike, longer than subtending spike, very shortly sheathed or nearly not sheathed. Spikes 5-7, usually congregate at top of culm; uppermost 1 or 2 spikes male, cylindric or narrowly cylindric, 3-7 cm, shortly pedunculate or nearly sessile; remaining spikes female, sometimes with few male flowers at apex, cylindric, 5-10 cm, lowermost spike sometimes with rather long peduncle, upper spikes with much shorter peduncle or nearly sessile. Female glumes at base of spike subovate, ca. 8.5 mm (including ca. 5 mm awn), apex with long awn, upper glumes oblong-lanceolate, 4-5 mm, apex attenuate or truncate, with a short awn or mucro, ferruginous, membranous, 1-3-veined. Utricles dark brown-green, nearly equaling glume, shorter than glume at base of spike, nearly horizontally patent at maturity, ovate, broadly ovate, or subobovate, inflated trigonous, ca. 4 mm, membranous, glabrous, several veined, transversely rugose and several tuberculate between veins, base broadly cuneate, apex abruptly contracted into a medium-sized to long or rather short beak, beak recurved, emarginate or shortly 2-toothed at orifice. Nutlets yellowish brown, rather loosely enveloped, elliptic or subobovate, trigonous, ca. 2 mm, densely tuberculate on surface, base very shortly stipitate, apex with recurved mucro; stigmas 3. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Proc. Linn. Soc. London 1(29): 286. 1846 [Aug 1846] to Proc. Linn. Soc. London 1: 286 (1846), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
To Biodiversity Heritage Library (23 publications) 
To European Nucleotide Archive, ENA (Carex olivacea) 
To International Plant Names Index (IPNI) 
To LE Herbarium (Carex olivacea LE00010348 syntype 1) 
To LE Herbarium (Carex olivacea LE00010349 syntype 1) 
To Plants of the World Online 
To Royal Botanic Garden Edinburgh Herbarium (Carex olivacea E00393437 isotype 1) 
To Royal Botanic Gardens, Kew (Carex olivacea K000999175 type 1) 
To US Herbarium (Carex olivacea altissima US1992562 type 1) (from synonym Carex olivacea var. altissima Kük.)
From editor or global species database
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