Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data

Abstract. Noedoost F, Vaezi J, Nikzat Siahkolaee S. 2021. Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data. Biodiversitas 22: 1961-1974. Unclear species boundaries due to high morphological si...

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Autores principales:	Fariba Noedoost, JAMIL VAEZI, SEDIGHEH NIKZAT SIAHKOLAEE
Formato:	article
Lenguaje:	EN
Publicado:	MBI & UNS Solo 2021
Materias:	bayesian tree, complex, delimitation, heterogeneous habitat, morphometric, pollen. Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/66fe116c05ee48fa9d20e2b83b6fbcfb
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spelling	oai:doaj.org-article:66fe116c05ee48fa9d20e2b83b6fbcfb2021-11-22T00:57:37ZTaxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data1412-033X2085-472210.13057/biodiv/d220444https://doaj.org/article/66fe116c05ee48fa9d20e2b83b6fbcfb2021-04-01T00:00:00Zhttps://smujo.id/biodiv/article/view/7867https://doaj.org/toc/1412-033Xhttps://doaj.org/toc/2085-4722Abstract. Noedoost F, Vaezi J, Nikzat Siahkolaee S. 2021. Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data. Biodiversitas 22: 1961-1974. Unclear species boundaries due to high morphological similarities lead to different opinions on Xanthium classification. To solve this problem, we conducted investigation on morphological, palynological and molecular (ITS sequencing) of three species of Xanthium (i.e., X. strumarium, X. sibiricum, and X. brasilicum) forming Xanthium strumarium complex in Iran. We randomly collected 110 plant individuals of the Xanthium strumarium complex as well as X. spinosum from 30 geographical populations in eight provinces of Iran. Pollen grains of 19 populations were studied by scanning electron microscope (SEM). Results obtained from the analysis of morphological characters showed that the three species, X. strumarium, X. brasilicum and X. sibiricum were placed nearly together specially X. strumarium and X. brasilicum are obviously overlapped. Palynological results indicated the pollen grains of section Acanthoxanthium (i.e., X. spinosum) and Xanthium (i.e., X. strumarium, X. sibiricum, and X. brasilicum) are clearly differing by their LM and SEM characters. However, no significant difference found between the pollen of X. strumarium and X. brasilicum. The Bayesian phylogenetic tree of the ITS region of rDNA sequences revealed that X. strumarium, X. sibiricum and X. brasilicum could not be discriminated as independent species. Overall, the morphological, palynological and molecular data provided evidence to synonymize X. brasilicum and X. strumarium with X. orientale and X. sibiricum with X. strumarium.Fariba NoedoostJAMIL VAEZISEDIGHEH NIKZAT SIAHKOLAEEMBI & UNS Soloarticlebayesian tree, complex, delimitation, heterogeneous habitat, morphometric, pollen.Biology (General)QH301-705.5ENBiodiversitas, Vol 22, Iss 4 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	bayesian tree, complex, delimitation, heterogeneous habitat, morphometric, pollen. Biology (General) QH301-705.5
spellingShingle	bayesian tree, complex, delimitation, heterogeneous habitat, morphometric, pollen. Biology (General) QH301-705.5 Fariba Noedoost JAMIL VAEZI SEDIGHEH NIKZAT SIAHKOLAEE Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data
description	Abstract. Noedoost F, Vaezi J, Nikzat Siahkolaee S. 2021. Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data. Biodiversitas 22: 1961-1974. Unclear species boundaries due to high morphological similarities lead to different opinions on Xanthium classification. To solve this problem, we conducted investigation on morphological, palynological and molecular (ITS sequencing) of three species of Xanthium (i.e., X. strumarium, X. sibiricum, and X. brasilicum) forming Xanthium strumarium complex in Iran. We randomly collected 110 plant individuals of the Xanthium strumarium complex as well as X. spinosum from 30 geographical populations in eight provinces of Iran. Pollen grains of 19 populations were studied by scanning electron microscope (SEM). Results obtained from the analysis of morphological characters showed that the three species, X. strumarium, X. brasilicum and X. sibiricum were placed nearly together specially X. strumarium and X. brasilicum are obviously overlapped. Palynological results indicated the pollen grains of section Acanthoxanthium (i.e., X. spinosum) and Xanthium (i.e., X. strumarium, X. sibiricum, and X. brasilicum) are clearly differing by their LM and SEM characters. However, no significant difference found between the pollen of X. strumarium and X. brasilicum. The Bayesian phylogenetic tree of the ITS region of rDNA sequences revealed that X. strumarium, X. sibiricum and X. brasilicum could not be discriminated as independent species. Overall, the morphological, palynological and molecular data provided evidence to synonymize X. brasilicum and X. strumarium with X. orientale and X. sibiricum with X. strumarium.
format	article
author	Fariba Noedoost JAMIL VAEZI SEDIGHEH NIKZAT SIAHKOLAEE
author_facet	Fariba Noedoost JAMIL VAEZI SEDIGHEH NIKZAT SIAHKOLAEE
author_sort	Fariba Noedoost
title	Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data
title_short	Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data
title_full	Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data
title_fullStr	Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data
title_full_unstemmed	Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data
title_sort	taxonomic investigation of the xanthium strumarium l. complex (asteraceae) distributed in iran inferred from morphological, palynological and molecular data
publisher	MBI & UNS Solo
publishDate	2021
url	https://doaj.org/article/66fe116c05ee48fa9d20e2b83b6fbcfb
work_keys_str_mv	AT faribanoedoost taxonomicinvestigationofthexanthiumstrumariumlcomplexasteraceaedistributediniraninferredfrommorphologicalpalynologicalandmoleculardata AT jamilvaezi taxonomicinvestigationofthexanthiumstrumariumlcomplexasteraceaedistributediniraninferredfrommorphologicalpalynologicalandmoleculardata AT sedighehnikzatsiahkolaee taxonomicinvestigationofthexanthiumstrumariumlcomplexasteraceaedistributediniraninferredfrommorphologicalpalynologicalandmoleculardata
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Taxonomic investigation of the Xanthium strumarium L. complex (Asteraceae) distributed in Iran inferred from morphological, palynological and molecular data

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