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Diversification of Angiosperms
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Diversification of Angiosperms

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Systematics, Taxonomy, Nomenclature and Classification".

Deadline for manuscript submissions: closed (15 May 2021) | Viewed by 19855

Special Issue Editor

Dr. Atsuko Takano

E-Mail Website
Guest Editor
Museum of Nature and Human Activities, Sanda, Hyogo 669-1546, Japan
Interests: plant systematics; speciation; pollination; taxonomy; specimen digitization

Special Issue Information

Dear Colleagues,

Among extant plants, angiosperms are the most diverse, consisting of approximately 14,000 genera and at least 350,000 to 400,000 species. The diversification of flowering plants has occurred through a variety of mechanisms including the development of reproductive barriers among populations that allow them to adapt to local environmental conditions and hybridization with relatives to form vastly diverse polyploids or even diploid hybrids. Other species arise by random genetic drift or simply the accumulation of mutations over time after geographical isolation. Thanks to the recent development of new techniques such as next-generation sequencing technologies, huge amounts of data can be obtained and used to study areas such as phylogenetic relationships, population structure, and introgression. This provides an enormous opportunity to gain new insight into the evolutionary history of plants.

This Special Issue of Plants on the "Diversification of Angiosperms" will be a collection of research papers related to plant diversification that aims to show the vast array of mechanisms linked to the evolution of angiosperms.

Dr. Atsuko Takano
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plant systematics
  • phytogeography
  • molecular phylogeny
  • population genetic analysis
  • pollination ecology
  • speciation
  • polyploidy

Published Papers (5 papers)

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Research

8 pages, 2287 KiB  
Communication
The Semi-Supervised Strategy of Machine Learning on the Gene Family Diversity to Unravel Resveratrol Synthesis
by Jun-Tae Song, Dong-U Woo, Yejin Lee, Sung-Hoon Choi and Yang-Jae Kang
Plants 2021, 10(10), 2058; https://doi.org/10.3390/plants10102058 - 29 Sep 2021
Cited by 2 | Viewed by 1824
Abstract
Resveratrol is a phytochemical with medicinal benefits, being well-known for its presence in wine. Plants develop resveratrol in response to stresses such as pathogen infection, UV radiation, and other mechanical stress. The recent publications of genomic sequences of resveratrol-producing plants such as grape, [...] Read more.
Resveratrol is a phytochemical with medicinal benefits, being well-known for its presence in wine. Plants develop resveratrol in response to stresses such as pathogen infection, UV radiation, and other mechanical stress. The recent publications of genomic sequences of resveratrol-producing plants such as grape, peanut, and eucalyptus can expand our molecular understanding of resveratrol synthesis. Based on a gene family count matrix of Viridiplantae members, we uncovered important gene families that are common in resveratrol-producing plants. These gene families could be prospective candidates for improving the efficiency of synthetic biotechnology-based artificial resveratrol manufacturing. Full article
(This article belongs to the Special Issue Diversification of Angiosperms)
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21 pages, 35686 KiB  
Article
Seed Morphology of Allium L. (Amaryllidaceae) from Central Asian Countries and Its Taxonomic Implications
by Shukherdorj Baasanmunkh, Jae Kyoung Lee, Ju Eun Jang, Min Su Park, Nikolai Friesen, Sungwook Chung and Hyeok Jae Choi
Plants 2020, 9(9), 1239; https://doi.org/10.3390/plants9091239 - 20 Sep 2020
Cited by 11 | Viewed by 5684
Abstract
We studied seed macro- and micro-morphological characteristics of 48 Allium species (51 accessions) belonging to 24 sections and 7 subgenera. Our taxonomic sampling focused on the central Asian regions of Uzbekistan, Kyrgyzstan, and Mongolia. The seed length ranged between 1.74 ± 0.16–4.47 ± [...] Read more.
We studied seed macro- and micro-morphological characteristics of 48 Allium species (51 accessions) belonging to 24 sections and 7 subgenera. Our taxonomic sampling focused on the central Asian regions of Uzbekistan, Kyrgyzstan, and Mongolia. The seed length ranged between 1.74 ± 0.16–4.47 ± 0.43 mm and width ranged between 1.06 ± 0.08–3.44 ± 0.23 mm, showing various shapes. The irregular and elongated polygonal testa cells occurred in all investigated species. Seed testa sculptures showed high variation in their anticlinal walls associated with different shapes: straight to with U-, S- or Omega-type undulations among the species. The moderately flat to convex periclinal walls with various sized verrucae or granules were found in all investigated taxa. Based on our research, we conclude that seed characteristics such as size, shape, and the seed testa features show their significant variability, revealing key characteristics to support taxonomic relationships and major clades recovered in the molecular phylogeny of the genus Allium. Especially, the anticlinal wall characteristics were highly variable and decisive at the both section and species levels. In addition, widely varied shapes and sizes of the seeds were remarkably effective to distinguish Allium species. Full article
(This article belongs to the Special Issue Diversification of Angiosperms)
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Graphical abstract

15 pages, 1293 KiB  
Article
Ethnomedicinal Knowledge of Traditional Healers in Roi Et, Thailand
by Auemporn Junsongduang, Wanpen Kasemwan, Sukanya Lumjoomjung, Wichuda Sabprachai, Wattana Tanming and Henrik Balslev
Plants 2020, 9(9), 1177; https://doi.org/10.3390/plants9091177 - 10 Sep 2020
Cited by 26 | Viewed by 3679
Abstract
Traditional healers in Thailand are a primary source of health care for the Thai people. Highly experienced traditional healers are generally older people and they continue to pass away without recording or passing on their knowledge. Consequently, the cumulative knowledge held by traditional [...] Read more.
Traditional healers in Thailand are a primary source of health care for the Thai people. Highly experienced traditional healers are generally older people and they continue to pass away without recording or passing on their knowledge. Consequently, the cumulative knowledge held by traditional healers regarding the use of medicinal plants is being eroded and could be lost. In this study, we aimed to identify and document the medicinal plants and associated ethnobotanical knowledge held by traditional healers in Roi Et in northeastern Thailand. Data and plant specimens were collected from four traditional healers of the Phu Tai people. They were selected by purposive sampling and questioned using a semi-structured interview. The interviews covered their training, the ailments treated, treatment techniques, method of preparation and in addition, several healing sessions were observed. During field walks, we searched for the medicinal plants with the healers to review and document the availability of medicinal plants at each locality and in different habitats around the villages. Use values (UV) were calculated to estimate the importance of each medicinal plant and informant agreement ratios (IAR) were calculated to understand how widely known the uses were. The four Phu Tai traditional healers knew 162 medicinal plant species in 141 genera and 63 families. The family with the most medicinal plants was Leguminosae with 15 species. The plant part that they used most commonly was the stem, which was used for 82 species (49%). The most common preparation method was decoction, which was done for 124 species (75%). The most important and widely used medicinal plants were Rothmannia wittii, which had the highest use value (UV = 1.7). Most medicinal plants were used for treating tonic (34 species (21%)). Jaundice had the highest informant agreement ratio (IAR = 0.5). The most common life form among the medicinal plants was trees (56 species (34%)). The medicinal plants were mostly collected in community forests (81 species (49%)). Considering the richness of the healer’s pharmacopeia, and the fact that their profession is not being perpetuated, this study points to the urgent need to document the traditional knowledge from the old herbalists before it disappears with the last practitioners from rural communities in Thailand. Full article
(This article belongs to the Special Issue Diversification of Angiosperms)
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Graphical abstract

16 pages, 24240 KiB  
Article
A Narrow Endemic or a Species Showing Disjunct Distribution? Studies on Meehania montis-koyae Ohwi (Lamiaceae)
by Atsuko Takano, Shota Sakaguchi, Pan Li, Ayumi Matsuo, Yoshihisa Suyama, Guo-Hua Xia, Xi Liu and Yuji Isagi
Plants 2020, 9(9), 1159; https://doi.org/10.3390/plants9091159 - 08 Sep 2020
Cited by 3 | Viewed by 3062
Abstract
Meehania montis-koyae Ohwi (Lamiaceae), which has been considered a narrow endemic and endangered species in Japan, was found in eastern China in 2011. China and Japan belong to the same floristic region and share many plant species, but it is very rare that [...] Read more.
Meehania montis-koyae Ohwi (Lamiaceae), which has been considered a narrow endemic and endangered species in Japan, was found in eastern China in 2011. China and Japan belong to the same floristic region and share many plant species, but it is very rare that Japanese narrow endemic species are newly found outside of the country. We examined herbarium specimens of both countries, and conducted analyses of molecular phylogenetics, population genetics, and divergence time estimation using two nuclear (ITS and ETS) gene regions and MIG-seq data. Chinese plants tend to become larger than Japanese, and they are different in leaf shape and floral features. Molecular phylogenetic analysis shows Chinese and Japanese M. montis-koyae are the closest relatives to each other. Population genetic analysis indicates no current gene flow between the Chinese and Japanese populations, and divergence time analysis shows they were separated during the late Miocene. We reach the conclusion that Chinese and Japanese M. montis-koyae have already become distinct biological entities, and a new taxon name Meehania zheminensis A. Takano, Pan Li, G.-H.Xia is proposed for the Chinese plants. A key to Asian Meehania species is provided. Full article
(This article belongs to the Special Issue Diversification of Angiosperms)
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Graphical abstract

11 pages, 2198 KiB  
Article
A New Ferula (Apiaceae) Species from Southwest Anatolia: Ferula pisidica Akalın & Miski
by Emine Akalın, Hüseyin Onur Tuncay, Bülent Olcay and Mahmut Miski
Plants 2020, 9(6), 740; https://doi.org/10.3390/plants9060740 - 12 Jun 2020
Cited by 14 | Viewed by 4694
Abstract
Ferula pisidica is a novel endemic species found in the vicinity of Karaman province of inner Mediterranean Region of Turkey. F. pisidica is morphologically distinct from F. haussknechtii and F. brevipedicellata by habit, sheaths, terminal leaf lobes, and mericarp size as well as [...] Read more.
Ferula pisidica is a novel endemic species found in the vicinity of Karaman province of inner Mediterranean Region of Turkey. F. pisidica is morphologically distinct from F. haussknechtii and F. brevipedicellata by habit, sheaths, terminal leaf lobes, and mericarp size as well as by chemotaxonomic differences. The new species is described by morphological, carpological, ecological and phytochemical characteristics. Its relationships with the other related species and proposed conservation status will be reviewed. Full article
(This article belongs to the Special Issue Diversification of Angiosperms)
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