Astragalus trigonus DC.

General Appearance

Astragalus trigonus DC. / Heterotypic Synonyms: Astragalus pseudotrigonus Batt. & Trab, it is a subshrub, spiny, branched from the base, or erect, 5-50 cm tall, densely leafy, often with many stems, 2-5 mm, stout, yellow to dark brown, appearing greyish-white because of the indumentum, rarely ribbed. Flowers yellow, c. 10 mm long, solitary axillary, sessile, among the crowded leaf axils, stipules not hiding the stem and plants whitish-lanate. Calyx neither inflated nor hiding the fruit, Pods trigonous, acuminate pubescent, canescent, much exceeding the fruiting calyx.

Life Form

Ch

Phytochoria

SA. The native range of this species is Sahara to Jordan.

Distribution in Libya

Jabal Nafusa: Tarhuna (Hejaz) 2018

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

Al-Qibla area: Wadis South of Mizda 2013

Jaghbu area: (225 km) from Tobruk to Jaghbub 1978

Ghat area: Bir el-Ghelania, Wadi Tanezzuft 1934 Ghat (Between Acacus and Tassili Mountains) 2004 Wadi Tanezzuft 2012

Jabal Al-Uwinat: Jabal Al-Uweinat region 2008

Notes

Wild in Libya.

This species is accepted: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:480290-1

Link of images: https://atlas-sahara.org/Fabaceae/Astragalus%20trigonus/Astragalus%20trigonus.html, https://www.teline.fr/en/photos/fabaceae/astragalus-trigonus, https://www.plantarium.ru/lang/en/page/view/item/82591.html

For more information

https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:480290-1, https://www.ipni.org/n/480290-1, https://www.worldfloraonline.org/taxon/wfo-0000212573, https://www.gbif.org/species/5344791, https://africanplantdatabase.ch/en/nomen/specie/63369/astragalus-trigonus-dc, https://atlas-sahara.org/Fabaceae/Astragalus%20trigonus/Astragalus%20trigonus.html, https://www.teline.fr/en/photos/fabaceae/astragalus-trigonus, https://www.plantarium.ru/lang/en/page/view/item/82591.html

Bibliographic References

First: Encyclopedia Flora of Libyan:

Jafri, S.M.H. & El-Gadi, A. (1980) Flora of Libya, Fabaceae Vol. (86) Department of Botany, Al-Faateh Univ., Tripoli, Libya. Page. 79. and page. 77 – under: Astragalus pseudotrigonus Batt. & Trab.

Second: Researches and PhD theses, master theses, Sorted by Newest:

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

Mahklouf, M.H. Sherif, A.S, Betelmal, A. G. (2018) Floristic Study for Tarhuna-Libya. Hacettepe J. Biol. & Chem, 2018, 46 (3), 337-364. http://www.hjbc.hacettepe.edu.tr/journal/volume-46/issue-3/floristic-study-for-tarhuna-libya/index.html

Floristic Study for Tarhuna–Libya. 2018

Mohamed, F.J. (2013) A Taxonomic Study of Wadis Flora South of Mizda at the intersections with Mizda-Sebha Highway. Master Thesis. Department of Botany-Faculty of Science-Sebha University. Libya. (In Arabic).

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://dergipark.org.tr/en/pub/biodicon/issue/55888/765799, https://www.researchgate.net/publication/259357995_Checklist_and_life_forms_of_plant_species_in_contrasting_climatic_zones_of_Libya

Checklist and life forms of plant species in contrasting climatic zones of Libya. 2012

Alzwai, A.M.H. (2008) A study of the vegetation covers of the Jabal Al-Uweinat region in Libya. Master Thesis – Botany Department – College of Science – Garyounis University – Libya. (In Arabic).

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).

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).

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).

Prodr. Fl. Ciren.: 275 (1931). https://bibdigital.rjb.csic.es/records/item/14218-prodromo-della-flora-cirenaica