General Appearance
Centaurea alexandrina Delile, it is an annual or biennial herb, canesccnt diverieatly branched often with a fleshy, thick root-stock. Stems and branches distinctly ridged, but not winged. Cauline leaves sessile, amplexicaule to semiamplexicaule, entire, serrate, toothed incised or pinnatifid to pinnttiscet, with teeth whitish mucronulate. Capitula 1 (-2), terminal, non-radiating. Florets dirty yellow with purple brown anthers. Involueres 1.5-2 x 2 mm, (exclude. spines), sub globose, often with spreading spines; spines exceeding the no rets, purplish towards the base. Involucral bracts coriaceous, often without distinct nerves, scarious margined; appendages violaceous, coriaceous, usually with wide, scarious, lacerated toothed, decurrent margins. Outermost involucral bract 5 x 4 mm, (exclude. spines) rhomboid-ovate, hairy; margins 0.5-0.75 mm wide, toothed irregularly towards the apices; apical spines c, 6 mm long. Involucral bracts of the 2nd row 4.5-5 x5 mm, (exclude. spines), ± circular in outline, dark brown line between the body of the involucre and scarious margins; appendages hairy, with 1-1.5 (-2) mm wide searious margins; terminal spines c. 10 mm, thick, stiff, erecto-patent; lateral spines 2-3 mm, slender, simple or 2-fid. Involucral bracts of the 3rd row 5 x 7 mm, (exclude. spines); appendages with (1-) 1.5-2 mm wide, scarious margins; terminal spines 14-15 mm, erecto-patent, stiff, strong; lateral spines (3-) 4-5, up to 4 mm, soft, slender. Involucral bracts of the 4th row & its appendage similar to the preceding. Involucral bracts of the 5th row 8 x 6 mm, (exclude. spine), oblong; appendages with 2-2.5 mm wide, scarious margins; terminal spines c. 10 mm, stiff; lateral spines absent. Involucral bracts of the 6th row 10 x 6 mm, oblong (exclude. appendages)., with 2-3 faint nerves on the back; appendages c. 5 mm, with center violaceous, and margins 2-3 mm wide, scarious, lacerated-toothed, hyaline. Involucral bracts of the 7th row similar to the preceding but oblong-lanceolate, and appendages ± scarious with center violaceous. Inner most involucral bracts 10 x 3 mm, lanceolate; appendages 3.5 mm lanceolate, ± scarious with center light violaceous, Cypsela 3 x 1-1.25 mm, dark brown with light brown spots, hairy, epappose.
Life Form
Phytochoria
Distribution in Libya
Al-Jafarah Plain:
Sabratha region 2020
Sirte Plains:
(7 Km) SE of Sitre City 2008 Wadi Al-Hamar Region 2020
Benghazi Plain:
Qaminis, (79 km) from Ajdabia to Benghazi 1978 Msus-Al-Ajramia zone 2004 Qaminas to Ajdabia (Slouk plain) 2006 Wadi El-Ghattara 2010 Between Slouk and Al-Abiar 2016 Jardina-Soloq Region 2020 (35 Km) South East of Benghazi (adjacent to the Jardinah village) 2020 Wadi El-Enaghar 2021
Jabal Nafusa:
Msallata National Park (Shaafeen) 2013 Msallata-Garaboulli Province 2020 Gharyan (Sedrores Mountains) 2020
Al-Jabal Al-Akhder:
(65 km) from Martuba to Faidia 1977 Wadi Al-Agar 1999 Wadi Zaza 2003 El-Bakur 2007 S. AL-Marj 2011 Al-Mansora 2013 Valley Jarjr-oma 2013 Gaber Jera 2013 Wadi El-Kouf 2014 Wadi Haboon 2015 Wadi El-Kouf 2016 Sidi Abu-Ras 2017 Wadi Derna 2017 From Lustata to Beshtaya 2019 Al-Abiar (Sidi Amohamed forest) 2020 Al-Teneen area northwest of Al-Marj 2020
Marmarica Plateau:
Reported in Marmarica north-eastern part of Libya by Pampanini 1930 From Tobruk to Egyptian Border 1999 Marmarica (north-eastern part of Libya) 2002 Dafna region (Tobruk to Msaid) 2008
Notes
Wild in Libya.
Link of images: https://www.plantarium.ru/lang/en/page/view/item/83126.html
For more information
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:189842-1, https://www.ipni.org/n/189842-1, http://www.worldfloraonline.org/taxon/wfo-0000122492, https://www.gbif.org/species/3128473, https://africanplantdatabase.ch/en/nomen/specie/136578/centaurea-alexandrina-delile, https://www.plantarium.ru/lang/en/page/view/item/83126.html, https://plants.jstor.org/compilation/centaurea.alexandrina
First: Encyclopedia Flora of Libyan:
Jafri, S. M. H. & El-Gadi, A. (1983) Flora of Libya, Asteraceae Vol. (107) Department of Botany, Al-Faateh Univ., Tripoli, Libya.
Second: Researches and PhD theses, master theses, Sorted by Newest:
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). http://www.discoveryjournals.org/Species/current_issue/2021/v22/n70/index.htm, http://www.discoveryjournals.org/Species/current_issue/2021/v22/n70/A4.pdf
Saaed, M.W.B., EL-Barasi, Y.M. & Rahil, R.O. (2021) An updated checklist and quantitative analysis of the Marmarica Plateau flora, in the north-eastern part of Libya. Phytotaxa 509 (1): 001-055. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.509.1.1
An-updated-checklist-and-quantitative-analysis-of-the-Marmarica-Plateau-flora-مضغوط
Al-Amrouni, M, M., Al-Zarbi, A., Al-Aeb, M. A. (2020) Study of vegetation cover in Sidi Amohamed forest north of the city of Al-Abyar in the Al-Jabal Al-Al-Akhdar. Libya. Journal of Quality Assurance for Scientific Research-The first issue-April-2020 (In Arabic). https://lqac.org.ly/wp-content/uploads/2020/05/PDF-1.pdf, https://independent.academia.edu/ABDULHAMIDALZERBI
دراسة الغطاء النباتي بغابة سيدي امحمد شمال مدينة الابياربالجبل الاخضر.2020
Al-khojah, H.M., Al-Yafour, L.A., Mahklouf, M.H. (2020) Floristic Study of Selected Districts in Sabratha region Libya. J. of Advanced Botany and Zoology Volume 7/Issue 4 ISSN: 2348-7313. https://scholar.google.com/citations?user=2s5EMysAAAAJ&hl=ar, https://www.researchgate.net/profile/Mohammed-Mahklouf
Floristic Study of Selected Districts in Sabratha region Libya. 2020.
El-Ahmir, S.M., Mahklouf, M.H., Shanta, M.B., Abo-Jaafer, H.A. (2020) Floristic Study of Sedrores Mountains in Gharyan District-Libya. J. of Advanced Botany and Zoology. Volume 8 / Issue 1. ISSN: 2348-7313. https://www.researchgate.net/profile/Sh-Hoob-El-Ahmir, https://www.researchgate.net/profile/Mohammed-Mahklouf
Floristic Study of Sedrores Mountains in Gharyan District – Libya. 2020
El-Taguri, H.M., El-Mogasapi, A.M., El-Barasi, Y.M. (2020) Weed Flora of Man-Made river agriculture project (Masiklo). Libyan Journal of Science & Technology 11:1 (2020) 61-64. http://repository.uob.edu.ly/bitstream/handle/123456789/1291/15.pdf?sequence=2&isAllowed=y, https://www.researchgate.net/profile/Abdusslam-Elmogasapi, https://www.researchgate.net/profile/Yacoub-El-Barasi
Mahklouf, M.H., Sherif, A.S., Betelmal, A.G. (2020) Floristic Study and Species Diversity of Msallata-Garaboulli Province in Libya. J. of Advanced Botany and Zoology Volume 7 / Issue 3 ISSN: 2348-7313. https://www.researchgate.net/profile/Mohammed-Mahklouf, https://www.researchgate.net/publication/341306643_Floristic_Study_and_Species_Diverisy_of_Msallata-Garaboulli_Province_in_Libya
Omar, N., Alai, M.A. & Al-Zerbi, A.K. (2020) A Survey of Weed Species of Barley Crop Fields in Farms of GMR Agricultural Project in Jardina-Soloq Region, Libya. Libyan Journal of Basic Sciences, Vol: 11, No: 1, P: 29-38, August. 2020. https://www.researchgate.net/profile/Naser-Omar, https://repository.uob.edu.ly/handle/123456789/1535
A Survey of Weed Species of Barley Crop Fields in Jardina-Soloq Region, Libya.2020
Omar, N.O.I., Alaib, M.A., El-Mghrbi, N.G., Alzerbi, A.K. (2020) Checklist of Flora and Floristic Study of Wadi Al-Hamar Region in Libya. Journal of Umm Al-Qura University for Applied Science 6 (2), (2020) 20-24. https://www.researchgate.net/profile/Naser-Omar
Checklist of Flora and Floristic Study of Wadi Al-Hamar Region in Libya. 2020
Saleh, M. M., & Lachhab, S. R. (2020) Plant diversity in Al-Teneen area northwest of Al-Marj city-Libya. Aref Journal for Human Studies- Issue (5) 2020, Pp. (3-65) Ajdabiya University-Libya. (In Arabic) https://www.researchgate.net/profile/sd-lshhb https://www.researchgate.net/publication/346554140_bhth_altnw_alnbaty_fy_mntqt_altnyn_shmal_ghrb_mdynt_almrj_lybya
التنوع النباتي في منطقة التنين شمال غرب مدينة المرج- ليبيا. 2020
Ali, A. M., Lashhab, S. R., Abu-Aweena, A. A.M. (2019) Classification of vegetation cover and its geographical distribution in the area extending between Al-Haniya and Wadi Zagzoog in the north to Lasastata and Bishtaya in the south. Al-Jabal Al-Akhdar eastern Libya. Issue (61) Journal of Science and Human Studies- Al-Marj-University of Benghazi-Libya (In Arabic). https://www.researchgate.net/profile/sd-lshhb, https://www.researchgate.net/publication/339238955_tsnyf_alghta_alnbaty_wtwzyh_aljghrafy_fy_almntqt_almmtdt_ma_byn_alhnyt_wwady_alzqzwq_shmala_hty_lstath_wbshtaya_jnwba_aljbl_alakhdr_shrq_lybya
Ab-Aziza, F.B., El–Barasi, Y.M. and Rahil, R.O. (2017) Flora, Vegetation and Human Activities of Wadi Derna-El-Jabal. Research article I Botany l Version 1. https://www.researchgate.net/profile/Fatma-Abuaziza, https://www.researchgate.net/profile/Yacoub-El-Barasi, https://www.researchgate.net/profile/Rebeh-Rahil
Flora, Vegetation and Human Activities of Wadi Derna. 2017
El-Zerbi, A. K. & Al-Aib, M.A. (2017) Study of vegetation cover in Sidi Bouras region, Al-Jabal Al-Akhdar, Libya. Journal of Environmental Science and Engineering JESE, VOL. 1, No. 1, January 2017. (In Arabic) https://www.researchgate.net/profile/Abdulhamid-Alzerbi, https://www.researchgate.net/publication/326461390_aalkhdr_baljbl_bwras_sydy_bmntqt_alnbaty_alghta_drast-lybya
Hegazy, A.; Kabiel, H.; AlRowaily, S.; Lovett-Doust,L. and AlBorki, A. (2016) Plant communities and reproductive phenology in mountainous regions of northern Libya. Journal of Forestry Research. July 2017, Volume 28, Issue 4, pp 741–761. https://link.springer.com/article/10.1007/s11676-016-0345-8, https://www.researchgate.net/profile/Ahmad-Hegazy-2
Raheel, RO. M., El-Borasi, Y. M., El-Barrani, M. W., El-Hassi, S. (2016) Study of Flora and vegetation cover of the semi-desert area between Salouq and Al-Abyar-the first high of Jabal Al-Akhdar-Libya, Fourth Scientific Conference for Environment and Sustainable Development In dry and semi-arid areas. Ajdabia. Libya. (In Arabic) https://www.researchgate.net/profile/Yacoub-El-Barasi , https://www.researchgate.net/profile/Rebeh-Rahil
دراسة الفلورا والغطاء النباتي للمنطقة الشبه صحراوية الممتدة بين مدينتي سلوق والابيار . 2016
El-Rabiai, G.T. & Al tira, M. (2015) Checklist of the Flora of Wadi Haboon at AI Jabal AI Akhdar (Cyrenaica, Libya). International Journal of Pharmacy & Life Sciences 6(8-9): Aug-Sep, 2015:4661-4665] Coden (USA): IJPLCP ISSN: 0976-7126. https://www.researchgate.net/profile/Munay-Alteerah https://www.researchgate.net/publication/292919013_Checklist_of_the_Flora_of_Wadi_Haboonat_AI_Jabal_AI_Akhdar_Cyrenaica_Libya
El-Mokasabi, F M. (2014) Floristic Composition and Traditional Uses of Plant Species at Wadi Al-kuf, Al-Jabal Al-Akhder, Libya. American-Eurasian J. Agric. & Environ. Sci., 14 (8): 685-697, 2014, ISSN 1818-769,IDOSIPublications,2014DOI:10.5829/idosi.aejaes.2014.14.08.12375. https://pdfs.semanticscholar.org/441b/23b83960f007044aca94e26f5c6b170fe102.pdf
Abusaief, H. M. A. (2013) Life forms and rangeland for many habitats of Jarjar oma in Al-Jabal Al- Akhdar on Mediterranean Sea. Journal of American Science 2013;9(5) http://www.jofamericanscience.org/journals/am-sci/am0905/029_17747am0905_236_249.pdf
Abusaief, H. M. A. and Dakhil, A. H. (2013) The floristic composition of Rocky habitat of Al Mansora in Al-Jabal Al-Akhdar- Libya. New York Science Journal 2013; 6(5). https://www.researchgate.net/profile/Huda-Abusaief
Foristic composition of Rocky habitat of Al Mansora in Al- Jabal Al- Akhdar 2013
Al-Masalati, N. A. A. (2013) Plant diversity across the altitudes of the Msallata National Park Reserve Mountains. Master Thesis. Botany Department-College of Science-University of Benghazi-Libya. (In Arabic).
Al-Tajouri, A., Al-Aaeb, M.A., Al-Zarbi, A. K. (2013) Barley crop contamination with weed seeds in Gaber-Jira farms in Al-Jabal Al-Akhdar, Libya. Journal of Benghazi University of Science-the third and fourth edition (45-53). (In Arabic). https://search.mandumah.com/Record/838987
تلوث محصول الشعير ببذور الحشائش بمزارع قبر جيرة بالجبل الاخضر. 2013- صفحة 45 -53.
EL-Barasi, Y. M., Barrani, M. W., Abdelsalam, O. EL-Amrouni, N., Mohamad, F. (2011) Check list of flora and vegetation on south EL-Marj zone: south EL-Jabal EL-Akhadar. Libya. Annals of Faculty Engineering Hunedoara-International Journal of Engineering. Tome IX (Year 2011). Fascicule 3. ISSN 1584-2673, 141-146. http://annals.fih.upt.ro/pdf-full/2011/ANNALS-2011-3-24.pdf
El-Rabiai, G.T., Al tira, F.M., Lamlom, S.H. (2010) Preliminary Checklist for the Flora of Wadi El Ghattara in Libya. Garyounis University Press Journal of Science and Its Applications Vol. 4, No. 1, pp 39-47, December 2010. https://scholar.google.com/citations?user=Wz8jpkIAAAAJ&hl=ar, https://scholar.google.com/citations?user=ALTsoucAAAAJ&hl=en, https://journals.uob.edu.ly/index.php/sjuob/issue/view/71
Checklist for the Flora of Wadi El Ghattara in Libya. 2010
Al-Aib, M. A. and El-Shakhy, N. O. (2008) Weed flora of great man made river agriculture project (sirte). Journal of Agriculture and Environment for International Development, Vol.102, Issue 3: 241-25. https://www.researchgate.net/profile/Mohamed-Alaib, https://www.researchgate.net/publication/343655187_Weed_Flora_of_Great_Man-Made_River_Agriculture_Project_Sirte
Barrani, M. W. (2008) A study of environmental degradation factors in the semi-desert Dafna Region-Libya. Master Thesis-Department of Science and environmental Engineering-Postgraduate Academy Benghazi branch. (In Arabic).
Abd Al-lkhaleq, Y. M. (2007) Vegetation Coverage of El-Bakur Highlands in Al-Jabal Al-Akhdar. Master Thesis, Department of Botany, Faculty of Science, Garyounis University, Libya. (In Arabic).
Al-Maghrabi A.S.S. (2006) Study of the vegetation and seed bank of the zone of Ghaminis and Agedabia (Slouk plain), Master of Science Thesis, Department of Environmental Science and Engineering, Academy of Graduated Studies, Benghazi Branch, Libya, 2006. (In Arabic).
El-Jetlawi A.O.(2004) Study of vegetation and soil seed bank of a range desert zone (Msus-Al-Ajramia), Master of Science Thesis, Botany Department, Faculty of Science, Benghazi University, Benghazi, Libya (In Arabic).
El-Barasi, Y. M., EI-Sherif, l. M. & Gawhari, A. M. H. (2003) Checklist and analysis of the flora and vegetation of Wadi Zaza at AI-Jabal AI Akhdar (Cyrenaica, Libya). Bocconea 16 (2): 1091-1105. 2003. – ISSN 1120-4060. https://www.researchgate.net/profile/Yacoub-El-Barasi, https://www.researchgate.net/profile/Ahmed-Gawhari, https://www.researchgate.net/publication/281559070_Checklist_and_analysis_of_the_flora_and_vegetation_of_Wadi_Zaza_at_AI-Jabal_AI_Akhdar_Cyrenaica_Libya
Flora and vegetation of Wadi Zaza at Al-Jabal AI Akhdar 2003-مضغوط
El-Shaary M.S. (2002). The Natural Vegetation in Marmarica plateau (North-eastern Libya). First ed. Tobruk (Libya): Published by the local Authority. (In Arabic).
Al-Hamadi R.I. (1999) Floristic and ecological study of wadi Al-Agar, Master Thesis, Botany Department, Faculty of Science, Botany Department-Faculty of Science-Garyounis University, Benghazi, Libya. (In Arabic).
EL-Habony, A.M. (1999) Vegetation and flora of a sector along Mediterranean cost of Libya from Tobruk to Egyptian border, M.Sc. Thesis, Botany Department-Faculty of Science-Garyounis University, Benghazi, Libya. (in Arabic).
PAMPANINI, R. (1931). Prodromo della Flora Cirenaica. – : 462 — under: Centaurea alexandrina var. serratifolia Bég. & A.Vacc. https://bibdigital.rjb.csic.es/records/item/14218-prodromo-della-flora-cirenaica
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