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A new species of Veronica (Plantaginaceae) from Western Iran.

ABSTRACT: A new species, Veronicakurdistanica (Plantaginaceae), is described and illustrated. It grows on limestone cliffs in mountainous alpine areas of western Iran (Kurdistan province). The new species belongs to the species group of V.kurdica and is considered to be closely related to V.daranica, V.khorassanica and V.kurdica, with which the new species is compared. Molecular phylogenetic analysis of nrDNA (ITS) region confirms this relationship. Veronicakurdistanica is distinguished from the mentioned species by its glandular indumentum, length and shape of leaves and bracts, number of flowers per raceme, length and width of calyx and corolla, and size of capsules and seeds.

SUBMITTER: Advay M

PROVIDER: S-EPMC10843890 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature

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A new species of Veronica (Plantaginaceae) from Western Iran.

Advay Mahfouz M Albach Dirk C DC Doostmohammadi Moslem M

PhytoKeys 20240129

A new species, Veronicakurdistanica (Plantaginaceae), is described and illustrated. It grows on limestone cliffs in mountainous alpine areas of western Iran (Kurdistan province). The new species belongs to the species group of V.kurdica and is considered to be closely related to V.daranica, V.khorassanica and V.kurdica, with which the new species is compared. Molecular phylogenetic analysis of nrDNA (ITS) region confirms this relationship. Veronicakurdistani ...[more]

PMID: 38317827

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Project description:Veronica anagallis-aquatica L. and Veronica undulata Wall. are widely used ethnomedicinal plants in China. The two species have different clinical efficacies, while their extremely similar morphology and unclear interspecific relationship make it difficult to accurately identify them, leading to increased instances of mixed usage. This article reports on the complete chloroplast genomes sequence of these two species and their related Veronica species to conduct a comparative genomics analysis and phylogenetic construction. The results showed that the chloroplast (cp) genomes of Veronica exhibited typical circular quadripartite structures, with total lengths of 149,386 to 152,319 base pairs (bp), and GC content of 37.9 to 38.1%, and the number of genes was between 129-134. The total number of simple sequence repeats (SSRs) in V. anagallis-aquatica and V. undulata is 37 and 36, while V. arvensis had the highest total number of 56, predominantly characterized by A/T single bases. The vast majority of long repeat sequence types are forward repeats and palindromic repeats. Selective Ka/Ks values showed that three genes were under positive selection. Sequence differences often occur in the non-coding regions of the large single-copy region (LSC) and small single-copy region (SSC), with the lowest sequence variation in the inverted repeat regions (IR). Seven highly variable regions (trnT-GGU-psbD, rps8-rpl16, trnQ-UUG, trnN-GUU-ndhF, petL, ycf3, and ycf1) were detected, which may be potential molecular markers for identifying V. anagallis-aquatica and V. undulata. The phylogenetic tree indicates that there is a close genetic relationship between the genera Veronica and Neopicrorhiza, and V. anagallis-aquatica and V. undulata are sister groups. The molecular clock analysis results indicate that the divergence time of Veronica may occur at ∼ 9.09 Ma, and the divergence time of these two species occurs at ∼ 0.48 Ma. It is speculated that climate change may be the cause of Veronica species diversity and promote the radiation of the genus. The chloroplast genome data of nine Veronica specie provides important insights into the characteristics and evolution of the chloroplast genome of this genus, as well as the phylogenetic relationships of the genus Veronica.

Dataset Information

A new species of Veronica (Plantaginaceae) from Western Iran.

Publications

A new species of <i>Veronica</i> (Plantaginaceae) from Western Iran.

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Dataset Information

A new species of Veronica (Plantaginaceae) from Western Iran.

Publications

﻿A new species of <i>Veronica</i> (Plantaginaceae) from Western Iran.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

A new species of <i>Veronica</i> (Plantaginaceae) from Western Iran.