Cyperaceae taxon details
Cyperus castaneus Willd.
1679322 (urn:lsid:marinespecies.org:taxname:1679322)
accepted
Species
Cyperus castaneus var. brevimucronatus Kük. · unaccepted
Dichostylis castanea (Willd.) Palla · unaccepted
- Variety Cyperus castaneus var. brevimucronatus Kük. accepted as Cyperus castaneus Willd.
terrestrial
Not documented
Description Annuals. Roots fibrous. Culms tufted, 3-15 cm tall, 3-angled, smooth, base with few leaves but often withered by flowering...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 1: 278 1797 to Sp. Pl., ed. 4 , 1: 278 (1797), information...
Description Annuals. Roots fibrous. Culms tufted, 3-15 cm tall, 3-angled, smooth, base with few leaves but often withered by flowering time. Leaves shorter than culm; leaf blade 0.4-1 mm wide, folded. Involucral bracts 2-5, linear, longer than inflorescence. Inflorescence a simple anthela; rays 1-4, to 3 cm. Spikelets 5-30, digitately or stellately arranged at apex of ray, linear, 5-20 × 1-1.8 mm, 8-26-flowered; rachilla wingless. Glumes purplish red, ± laxly imbricate, oblong to oblong-lanceolate, 1.2-1.7 mm, 3-veined, apex subobtuse to emarginate and with a recurved 0.2-0.5 mm awn. Stamens 2 or 3; anthers ellipsoid, 0.1(-0.2) mm. Nutlets brown, narrowly oblong, 0.7-0.9 mm, 3-sided, surface minutely punctate. Fl. and fr. Jun-Sep. 2n = 40. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 1: 278 1797 to Sp. Pl., ed. 4 , 1: 278 (1797), information...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 1: 278 1797 to Sp. Pl., ed. 4 , 1: 278 (1797), 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. Cyperus castaneus Willd.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1679322 on 2025-12-15
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
Nomenclature
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 Annuals. Roots fibrous. Culms tufted, 3-15 cm tall, 3-angled, smooth, base with few leaves but often withered by flowering time. Leaves shorter than culm; leaf blade 0.4-1 mm wide, folded. Involucral bracts 2-5, linear, longer than inflorescence. Inflorescence a simple anthela; rays 1-4, to 3 cm. Spikelets 5-30, digitately or stellately arranged at apex of ray, linear, 5-20 × 1-1.8 mm, 8-26-flowered; rachilla wingless. Glumes purplish red, ± laxly imbricate, oblong to oblong-lanceolate, 1.2-1.7 mm, 3-veined, apex subobtuse to emarginate and with a recurved 0.2-0.5 mm awn. Stamens 2 or 3; anthers ellipsoid, 0.1(-0.2) mm. Nutlets brown, narrowly oblong, 0.7-0.9 mm, 3-sided, surface minutely punctate. Fl. and fr. Jun-Sep. 2n = 40. [details]Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 1: 278 1797 to Sp. Pl., ed. 4 , 1: 278 (1797), 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 Dichostylis castanea (Willd.) Palla)
To Biodiversity Heritage Library (76 publications)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Dichostylis castanea (Willd.) Palla)
To International Plant Names Index (IPNI) (from synonym Cyperus castaneus var. brevimucronatus Kük.)
To IUCN Red List (Least Concern)
To Plants of the World Online (from synonym Dichostylis castanea (Willd.) Palla)
To Plants of the World Online
To Plants of the World Online (from synonym Cyperus castaneus var. brevimucronatus Kük.)
To Biodiversity Heritage Library (76 publications)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Dichostylis castanea (Willd.) Palla)
To International Plant Names Index (IPNI) (from synonym Cyperus castaneus var. brevimucronatus Kük.)
To IUCN Red List (Least Concern)
To Plants of the World Online (from synonym Dichostylis castanea (Willd.) Palla)
To Plants of the World Online
To Plants of the World Online (from synonym Cyperus castaneus var. brevimucronatus Kük.)
