A Taxonomic Revision of the Genus Hedysarum L. (Fabaceae-Hedysareae) in Iran

Nafisi, Haniyeh; Osaloo, Shahrokh Kazempour; Kaveh, Akram; Mahmoodi, Mohammad

doi:10.11646/phytotaxa.511.2.1

Cited by 3 publications

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“…Most species of Hedysarum subsect. Multicaulia are distributed in the western part of Western Asia (northwestern Iran, northern part of Iraq and Syria, Transcaucasia, eastern part of Turkey) and in the Mediterranean region (Lebanon, Syria, western Turkey) (Akpinar & Yildiz, 1999; Hoşgören & Ertekin, 2018; Nafisi & al., 2021) in arid and semiarid habitats (Duan & al., 2015). It is likely that these species of H .…”

Section: Discussionmentioning

confidence: 99%

“…These species exhibit characteristics of H. sect. Hedysarum, including a strongly developed stem, downcurved flowers in the inflorescence, triangular calyx teeth that are shorter than or as long as the calyx tube, and compressed, more or less reticulate veined pods without setae (Choi & Ohashi, 2003;Nafisi & al., 2019Nafisi & al., , 2021.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

“…Crinifera, a characteristic that has been previously emphasized by Dehshiri & Goodarzi (2016), as well as Nafisi & al. (2019Nafisi & al. ( , 2021.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

“…Hedysarum includes perennial herbs (rarely semishrubs) and can be distinguished from closely related genera by the morphology of the jointed pods (Fig. 1), that are flatcompressed or slightly inflated, smooth, glabrous or pubescent, reticulate or transversely ribbed, and often covered with short or longer bristles, and these characters are used to diagnose and delimit infrageneric taxa (Basiner, 1845;Fedtschenko, 1902Fedtschenko, , 1948Choi & Ohashi, 2003;Nafisi & al., 2019Nafisi & al., , 2021. Hedysarum has a long history of taxonomy.…”

Section: ■ Introductionmentioning

confidence: 99%

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Phylogenetic relationships and biogeography in Hedysarum (Hedysareae, Fabaceae) with a focus on Central Asian taxa

Juramurodov,

Makhmudjanov,

Liu

et al. 2023

TAXON

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Central Asia, especially the Tian‐Shan and Pamir‐Alay, is a biodiversity hotspot for Hedysarum (Fabaceae) with a high number of endemic species. However, to date, studies of the genus Hedysarum based on molecular data have included only a few species distributed in this region. To fill this gap, we analysed 110 Hedysarum species, 36 of which were from the Tian‐Shan and Pamir‐Alay Mountains of Central Asia. We performed phylogenetic analyses, divergence time estimates, and biogeographic analyses using both the internal transcribed spacers of nuclear ribosomal DNA (nrDNA ITS) and three plastid DNA (cpDNA) sequences (trnL‐trnF, matK, psbA‐trnH). Our phylogenetic analysis grouped the species of Hedysarum into three sections: H. sect. Hedysarum, sect. Multicaulia, and sect. Stracheya, which are largely consistent with previous phylogenetic classifications. Accordingly, most of the Central Asian species we studied (28 spp.) were placed in H. subsect. Crinifera within H. sect. Multicaulia. Our divergence time and biogeographic analyses indicate that Hedysarum likely originated in West Asia and/or East Asia during the Early Miocene or Middle Miocene and subsequently dispersed to adjacent areas of Eurasia, as well as North America via the Bering Land Bridge. The likely area of origin for H. sect. Multicaulia is West Asia, while East Asia appears to be the center of origin for H. sect. Hedysarum and sect. Stracheya. In addition, we suggest that the rapid radiation of the species of H. subsect. Crinifera occurred in the Tian‐Shan and Pamir‐Alay Mountains, as well as the Turkish‐Iranian Plateau, and that geological and climatic changes were the main causes of speciation in Hedysarum.

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Section: Discussionmentioning

confidence: 99%

Section: ■ Materials and Methodsmentioning

confidence: 99%

“…Crinifera, a characteristic that has been previously emphasized by Dehshiri & Goodarzi (2016), as well as Nafisi & al. (2019Nafisi & al. ( , 2021.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

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Phylogenetic relationships and biogeography in Hedysarum (Hedysareae, Fabaceae) with a focus on Central Asian taxa

Juramurodov,

Makhmudjanov,

Liu

et al. 2023

TAXON

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“…Hedysarum L., the largest genus of the tribe Hedysareae (Fabaceae), is distributed in temperate Eurasia, NW Africa, W Canada to W & Central U.S.A [ 1 – 3 ]. The non-monophyletic identity of Hedysarum in the nuclear tree topology, in contrast to plastid topology, has been confirmed in previous molecular phylogenetic studies [ 1 , 4 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Characterizing nrDNA ITS1, 5.8S and ITS2 secondary structures and their phylogenetic utility in the legume tribe Hedysareae with special reference to Hedysarum

2023

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This is the first study to systematically evaluate rRNA secondary structures of Hedysareae with an emphasis on Hedysarum. ITS2 and 5.8S regions of the genus shared a common secondary structure with a four-fingered central loop, whereas ITS1 possessed five distinct structures. The secondary structural features of the two regions provided advantageous data for clades, species groups, and closely related species. Hemi-CBCs were mostly observed in the reconstruction of species groups, and Nsts, mostly between closely related species. The investigations showed that ITS1 varied more than ITS2 in length, GC content, and most of the diversity indices within the tribe. Maximum likelihood analyses of the synchronized sequence-structure tree of ITS1 were performed. The accuracy and phylogenetic signals of ITS1 were higher than ITS2. The similar GC content, and no CBC, in both spacers, fortified the close relationship of CEGO and H. sections Stracheya and Hedysarum clades in the synchronized sequence-structure tree topology of ITS1. In both regions, no inter-generic CBCs were detected inside the CEGO clade and the inter-sectional level of Hedysarum. But, in the ITS2 region, a CBC was detected between H. section Multicaulia, and Taverniera versus H. sections Hedysarum, and Stracheya. The lowest inter-sectional genetic distance and structural features were found between H. sect. Hedysarum and H. sect. Stracheya clades in the ITS2 region.

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Hedysarum sunhangii (Fabaceae, Hedysareae), a new species from Pamir-Alay (Babatag Ridge - Uzbekistan)

Juramurodov

Tojibaev²,

Никитина

et al. 2021

Phytotaxa

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Hedysarum sunhangii is a new species described from the Babatag Ridge in the Uzbekistan part of the South-West Pamir-Alay (Central Asia). Morphological and molecular phylogenetic analyses were utilized to determine the taxonomic position of the species in genus Hedysarum. This new species belongs to the subsect. Crinifera of the sect. Multicaulia and it resembles H. criniferum and H. nuratense, but can be distinguished by details of its 3–4 pairs of larger and elliptical or ovate shaped leaflets, standard and keel sizes.

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A Taxonomic Revision of the Genus Hedysarum L. (Fabaceae-Hedysareae) in Iran

Cited by 3 publications

References 0 publications

Phylogenetic relationships and biogeography in Hedysarum (Hedysareae, Fabaceae) with a focus on Central Asian taxa

Phylogenetic relationships and biogeography in Hedysarum (Hedysareae, Fabaceae) with a focus on Central Asian taxa

Characterizing nrDNA ITS1, 5.8S and ITS2 secondary structures and their phylogenetic utility in the legume tribe Hedysareae with special reference to Hedysarum

Hedysarum sunhangii (Fabaceae, Hedysareae), a new species from Pamir-Alay (Babatag Ridge - Uzbekistan)

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