Orobanche dominae (Orobanchaceae), a new species described from Tunisia, North Africa

Orobanche dominae El Mokni (section Orobanche L.) is described and illustrated as a new species to science, endemic to central-eastern Tunisia, North Africa. The new species is known only from a single population within olive groves of Mahdia area, where it grows on sandy loam soil and parasiting o...

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Main Author: Ridha El Mokni
Format: Article
Language:English
Published: Universidad Complutense de Madrid 2022-10-01
Series:Mediterranean Botany
Subjects:
Online Access:https://revistas.ucm.es/index.php/MBOT/article/view/80515
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author Ridha El Mokni
author_facet Ridha El Mokni
author_sort Ridha El Mokni
collection DOAJ
description Orobanche dominae El Mokni (section Orobanche L.) is described and illustrated as a new species to science, endemic to central-eastern Tunisia, North Africa. The new species is known only from a single population within olive groves of Mahdia area, where it grows on sandy loam soil and parasiting on the Tuniso-Libyan endemic Onopordum espinae Bonnet. It is a medium almost brownish-purple plant characterized by a precocious and very short blooming period. It has a cylindrical, long inflorescence with erecto-patent and long sized flowers. The corolla exhibits varying colors along with short and long glandular hairs in addition to an almost glabrous style on the lower part. The macromorphological features suggest a closer relationship of this new species to the members of the subsections Minores Teryokhin and Speciosae Novopokr., in particular with Or. crenata Forssk., Or. minor Sm., and Or. artemisiae-campestris Gaudin s.l. (so far the only known Orobanche that was mentioned parasitizing one of the Onopordum species, On. illyricum L.). Relationships and discriminating morphological features of the new species with its closest species are examined. Data on its ecological and conservation status together with its main host(s) and distributive area are also presented.
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spelling doaj.art-71f07a87553c43be9bab3050a2e7c6362022-12-22T04:31:44ZengUniversidad Complutense de MadridMediterranean Botany2603-91092022-10-01Online first10.5209/mbot.80515Orobanche dominae (Orobanchaceae), a new species described from Tunisia, North AfricaRidha El Mokni0University of Monastir. University of Carthage, Orobanche dominae El Mokni (section Orobanche L.) is described and illustrated as a new species to science, endemic to central-eastern Tunisia, North Africa. The new species is known only from a single population within olive groves of Mahdia area, where it grows on sandy loam soil and parasiting on the Tuniso-Libyan endemic Onopordum espinae Bonnet. It is a medium almost brownish-purple plant characterized by a precocious and very short blooming period. It has a cylindrical, long inflorescence with erecto-patent and long sized flowers. The corolla exhibits varying colors along with short and long glandular hairs in addition to an almost glabrous style on the lower part. The macromorphological features suggest a closer relationship of this new species to the members of the subsections Minores Teryokhin and Speciosae Novopokr., in particular with Or. crenata Forssk., Or. minor Sm., and Or. artemisiae-campestris Gaudin s.l. (so far the only known Orobanche that was mentioned parasitizing one of the Onopordum species, On. illyricum L.). Relationships and discriminating morphological features of the new species with its closest species are examined. Data on its ecological and conservation status together with its main host(s) and distributive area are also presented. https://revistas.ucm.es/index.php/MBOT/article/view/80515endemismholoparasitesLamialesOnopordum espinaetaxonomyTunisia
spellingShingle Ridha El Mokni
Orobanche dominae (Orobanchaceae), a new species described from Tunisia, North Africa
Mediterranean Botany
endemism
holoparasites
Lamiales
Onopordum espinae
taxonomy
Tunisia
title Orobanche dominae (Orobanchaceae), a new species described from Tunisia, North Africa
title_full Orobanche dominae (Orobanchaceae), a new species described from Tunisia, North Africa
title_fullStr Orobanche dominae (Orobanchaceae), a new species described from Tunisia, North Africa
title_full_unstemmed Orobanche dominae (Orobanchaceae), a new species described from Tunisia, North Africa
title_short Orobanche dominae (Orobanchaceae), a new species described from Tunisia, North Africa
title_sort orobanche dominae orobanchaceae a new species described from tunisia north africa
topic endemism
holoparasites
Lamiales
Onopordum espinae
taxonomy
Tunisia
url https://revistas.ucm.es/index.php/MBOT/article/view/80515
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