Cyperus laevigatus L., it is a perennial or rhizomatous geophyte,up to (5-)20-65 cm, forming small tufts or stems in rows. Rhizome horizontal, creeping, (1-)1.5-3 mm diam., covered with dark brown or reddish scales. Stem 0.5-5 mm diam., terete or obtusely trigonous, yellow green or grey green, smooth. Leaves mostly much reduced; sheaths up to 20 cm, brown to dark brown, sometimes reddish, mouth margin concave, ligule 0. blade up to 10 or reduced to a point. Inflorescence capitate, pseudolateral, 7-25 mm, one cluster of (1-)3-10(-more than 30) spikes, . Nut 1.3-1.7 x 1 mm, ellipsoid or obovoid, grey-brown to black-brown. Life Form: G, Helo, Flowering in: Almost the year, Vern: Al-Saad, Phytochoria: Trop+ S.Tro, The native range of this species is Tropics & Subtropics. Notes: Wild in Libya, on the hot water spring and on the salty lake shores.
For more information: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:304938-1, https://www.ipni.org/n/304938-1, https://www.worldfloraonline.org/taxon/wfo-0000376262, https://www.gbif.org/species/2713559, https://africanplantdatabase.ch/en/nomen/specie/38125/cyperus-laevigatus-l, https://flora.org.il/en/plants/CYPLAE/, https://sernecportal.org/portal/taxa/index.php?taxon=829&clid=3110, https://www.biolib.cz/en/taxon/id128180/, http://luirig.altervista.org/pics/index5.php?recn=116753&page=1, https://www.calflora.org/app/taxon?crn=2586, https://en.wikipedia.org/wiki/Cyperus_laevigatus |
Distribution in Libya | ||
Al-Jafarah Plain | Sirte Plains | Benghazi Plain |
(11 km) E. of Tripoli 1978 | Sirte 2015, 2016 | Benghazi 1977 Wadi El-Enaghar 2021 |
Jabal Nafusa | Al-Jabal Al-Akhder | Al-Jufra area |
Tarhuna 1977 Sharshara 1978 | Wadi Lathrun, Derna to Susa 1967 Wadi Derna 1968, 1970 | EL-Jufra 2018 |
Fezzan area | Al-Kufra area | Ghat area |
El-Hofra Traghen 1933 (96 km) from the Highway to Brak 1973 Mafu, Al-Mandura, Truna Zallaf sand dunes 1975 (41 km )from Brak to Hun 1978 Gaber-Oun Lake 2012 | Al-Kufra 2018 | Ghat in the near the pond 1976 Ghat (Between Acacus and Tassili Mountains) 2004 Wadi Tanezzuft 2012 |
Jabal Al-Uwinat | ||
Gebel Uweinat 1968 |
Bibliographic references: | |
First: Encyclopedia Flora of Libyan: | |
Jafri, S.M.H. & El-Gadi, A. (1985) Flora of Libya, Cyperaceae Vol. (120) Department of Botany, Al-Faateh Univ., Tripoli, Libya. | |
Second: Researches and PhD theses, master theses, Sorted by Newest: | pdf files |
Omar, N., El-Mghrbi, N.G., Rahil, R.O., Alaib, M.A., Alzerbi, A.K. (2021) Floristic Composition and Plant Diversity of Western Part of Wadi El- Enaghar, Libya. Species-22(70), 2021. pp. (204-217). https://bit.ly/41TInWw, http://www.discoveryjournals.org/Species/current_issue/2021/v22/n70/index.htm, http://www.discoveryjournals.org/Species/current_issue/2021/v22/n70/A4.pdf | Wadi El- Enaghar, Libya 2021 |
EL-Barasi,Y.M., Bader, B.M., Barrani. M.W., EL-Hashani, N.M. and Alamrouni, A.O. (2018) Ecological studies on EL-Jufra Desert Depression. https://bit.ly/45fIfT1, https://www.researchgate.net/profile/Yacoub-El-Barasi | Ecological studies On EL-Jufra 2018 |
Mohamed, M. I. & Bouhabbal, A.A. (2018) A study on plant diversity in the Kufra depression. The fifth Scientific Conference of Environment and Sustainable Development in the Arid and Semi- Arid Regions (ICESD) -From 23-25 July-2018. Ajdabiya University-Libya. (In Arabic) | |
Elsayed, N. (2016) Relationship between Vegetation and Soil Seed Bank at Protected Versus Unprotected Sites at Coastal Habitats in Libya.CATRINA (2016), 15 (1): 59-68. https://scholar.google.com.eg/citations?user=mSAskW0AAAAJ&hl=en , https://cat.journals.ekb.eg/article_18337_76652686b5c99f5fd479aebab87fbcb4.pdf | Surt region in Libya 2016 |
Elsayed M. A. N. (2015) Floristic Composition of the Plant Cover at Surt Region in Libya. Catrina (2015), 12 (1): 63-71-2010 By the Egyptian society for environmental SCIENCES. https://cat.journals.ekb.eg/article_18403_37c687e375b9144800a15704e68ebad7.pdf | Plant Cover at Surt Region 2015 |
Al-Mathnani, A. M., Ali Elssaidi, M. and Mohamed, M. I. (2012) Diversity and Ecological Succession around Gaber-Oun Hypersaline Lake Ecosystem-Libya. 2nd International Conference on Ecological, Environmental and Biological Sciences (EEBS’2012) Oct. 13-14, 2012 Bali (Indonesia). https://www.researchgate.net/profile/Albduaslam-Almathnani | Gaber-Oun Hypersaline Lake 2012 |
Mukassabi, T.A, Ahmidat, G., Sherif, I.M., ELMogasapi, A.(2012) Checklist and life forms of plant species in contrasting climatic zones of Libya. Biological Diversity and Conservation – 5 / 3 (2012) https://bit.ly/42hptsN, https://dergipark.org.tr/en/pub/biodicon/issue/55888/765799 | plant species in contrasting climatic zones of Libya 2012 |
Ahmidat, Gh. (2004) Study of the vegetation cover of the area between the Acacus Mountains and the Tassili Mountains (Ghat). Master Thesis. Department of Botany.College of Science. Sebha University. Libya. (In Arabic) |