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Ficus subgen. Spherosuke sect. Americanae ser. Dugandii (Moraceae): A Curved Ostiolar Margin Group of Neotropical Fig Trees 热带榕属植物subgen。球藻科。美洲属。杜甘地(桑科):新热带无花果树弯曲气孔边缘群
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873215
L. Pederneiras, H. B. Zamengo, Diego Alejandro Zapata-C., Nicole MITIDIERI-RIVERA, Sergio Romaniuc-Neto, V. Mansano
{"title":"Ficus subgen. Spherosuke sect. Americanae ser. Dugandii (Moraceae): A Curved Ostiolar Margin Group of Neotropical Fig Trees","authors":"L. Pederneiras, H. B. Zamengo, Diego Alejandro Zapata-C., Nicole MITIDIERI-RIVERA, Sergio Romaniuc-Neto, V. Mansano","doi":"10.1600/036364423X16847773873215","DOIUrl":"https://doi.org/10.1600/036364423X16847773873215","url":null,"abstract":"Abstract This work presents the new taxon Ficus series Dugandii characterized by the syconium ostiolar margin with wall curved to the outer side of the syconium, forming a short apical tube, irregularly rounded to triangular. For this study, field trips were carried out and collections of herbarium specimens, types, and protologues were analyzed. The series has 15 species with 50 synonyms proposed here, distributed from Mexico and the Antilles to southeastern Brazil. Names like F. llanensis, F. llewelynii, and F. mitrophora, previously synonymous, are considered correct species names. Lectotypes have been designated for F. acarouaniensis, F. clethrifolia, F. glycicarpa, F. holosericea, F. velutina, Urostigma euomphalum, and U. maximilianum; a neotype for F. frigida; and epitypes for F. holosericea and F. trigonata.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"263 - 282"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43353933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Classification of the Celastrales Based on Integration of Genomic, Morphological, and Sanger-Sequence Characters 基于基因组、形态和sanger序列特征整合的Celastrales分类
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873134
M. Simmons, J. A. Lombardi, L. Biral
{"title":"Classification of the Celastrales Based on Integration of Genomic, Morphological, and Sanger-Sequence Characters","authors":"M. Simmons, J. A. Lombardi, L. Biral","doi":"10.1600/036364423X16847773873134","DOIUrl":"https://doi.org/10.1600/036364423X16847773873134","url":null,"abstract":"Abstract We present the best sampled phylogenetic analysis of Celastrales, with respect to both character and taxon sampling, and use it to present a natural classification of the order. Parnassiaceae are highly supported as sister to Celastraceae; we recognize both families as distinct. Pottingeria is highly supported as a member of Celastraceae. We recognize and circumscribe 13 subfamilies in Celastraceae, including the new subfamilies Crossopetaloideae, Maytenoideae, Microtropioideae, Monimopetaloideae, and Salaciopsioideae. We identified five genera that likely require generic recircumscriptions: Cassine, Elachyptera, Gymnosporia, Salacia, and Semialarium. Genera that had not been previously sampled in Sanger-sequence-based studies are resolved as follows: Arnicratea is sister to Reissantia, Bequaertia is in a clade with Campylostemon and Tristemonanthus, Goniodiscus is sister to Wilczekra, Ptelidium is nested within Elaeodendron, and Tetrasiphon is most closely related to Gyminda.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"283 - 299"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45506144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Theobroma flaviflorum (Malvaceae: Byttnerioideae), a New Species from the Osa Peninsula, Costa Rica 花椰菜Theobroma flaflaflorum（锦葵科：苦苣苔科），哥斯达黎加奥萨半岛的一个新种
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873107
Daniel Santamaría-Aguilar, Reinaldo Aguilar Fernández, Laura P. Lagomarsino
{"title":"Theobroma flaviflorum (Malvaceae: Byttnerioideae), a New Species from the Osa Peninsula, Costa Rica","authors":"Daniel Santamaría-Aguilar, Reinaldo Aguilar Fernández, Laura P. Lagomarsino","doi":"10.1600/036364423X16847773873107","DOIUrl":"https://doi.org/10.1600/036364423X16847773873107","url":null,"abstract":"Abstract A new species of Theobroma from the Southern Pacific coast of Costa Rica is described and illustrated. Theobroma flaviflorum is restricted to the Osa Peninsula, where it has been collected on stream banks. The new species shows an unusual combination of characters including yellow flowers and globose mature fruits without ribs that are slightly sunken toward the apex and borne on terminal leafy terminal branches. The new species is compared with T. angustifolium, T. cirmolinae, and T. stipulatum which also have flowers that are yellow or orange; and with T. grandiflorum, T. hylaeum, and T. subincanum, which have similarly shaped fruits. A key for the Mesoamerican species of Theobroma is provided, as well as some notes for two of the species of Theobroma also reported for this region.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"313 - 324"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45506559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Draining the Swamp Dodders: Systematics of Cuscuta gronovii s.l. (Subgenus Grammica, Sect. Oxycarpae) 排水沼泽菟丝子:菟丝子的分类学(菟丝子亚属，菟丝子科)
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873206
M. Costea, Michael A. R. Wright, Morgan Glofcheskie, Wade Genter, S. Stefanović
{"title":"Draining the Swamp Dodders: Systematics of Cuscuta gronovii s.l. (Subgenus Grammica, Sect. Oxycarpae)","authors":"M. Costea, Michael A. R. Wright, Morgan Glofcheskie, Wade Genter, S. Stefanović","doi":"10.1600/036364423X16847773873206","DOIUrl":"https://doi.org/10.1600/036364423X16847773873206","url":null,"abstract":"Abstract Cuscuta gronovii species complex (sensu lato, s.l.) is a North American group of species that belong to C. sect. Oxycarpae of subgenus Grammica. Members of C. gronovii s.l. are often associated with riparian or wet habitats, and their delimitation has been problematic historically. DNA sequences from multiple plastid and nuclear ribosomal non-coding regions were used to reconstruct evolutionary relationships among taxa. Molecular phylogeny supported the resurrection of C. saururi, a taxon that has been treated either as C. gronovii var. latiflora or a nomenclatural synonym of C. gronovii var. gronovii. Cuscuta saururi was inferred to be sister to C. cephalanthi, but the relationships among the rest of taxa, although forming a clade with moderate support, remained largely unresolved. Thus, the species limits of C. gronovii s.l. aggregate were also comprehensively investigated through a morphometric study. Plants with 4-merous flowers from New Brunswick and Nova Scotia, Canada, which were previously thought to be C. cephalanthi, were described as a new species, C. acadiana. Cuscuta acadiana, although fertile and producing abundant seeds, is unusual in that the majority of its pollen grains intergrade from zonocolpate, syncolpate, or pantocolpate, with variously shaped or twisted ectoapertures. Cuscuta gronovii var. calyptrata, a widely accepted but virtually unknown taxon, was typified and included in all the analyses. Cuscuta umbrosa was treated as a variety of C. gronovii (var. curta), and C. rostrata was maintained as a species. An identification key, detailed descriptions, illustrations, and a summary of geographical distribution, ecology, and conservation status were provided for all the members of C. gronovii s.l. The only taxon of this species complex found to be weedy, especially in cranberries, was C. gronovii var. gronovii.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"325 - 345"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45463071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phyllanthus capixaba (Phyllanthaceae), a New Species Endemic to Brazil Supported by Macromorphological and Palynological Evidence 叶子科巴西特有新种——巨形态与孢粉学证据的支持
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873125
A. M. Torres, Marcos José da Silva
{"title":"Phyllanthus capixaba (Phyllanthaceae), a New Species Endemic to Brazil Supported by Macromorphological and Palynological Evidence","authors":"A. M. Torres, Marcos José da Silva","doi":"10.1600/036364423X16847773873125","DOIUrl":"https://doi.org/10.1600/036364423X16847773873125","url":null,"abstract":"Abstract We describe and illustrate Phyllanthus capixaba, a new species hitherto found in the state of Espírito Santo, Brazil. This new species is assigned to P. section Phyllanthus subsect. Phyllanthus and differs from their nearest species P. longipedicellatus by a set of characters such as aspect of branch distribution on the stem, number of pairs of secondary veins per leaf, appearance of tertiary veins and leaf margin, type of stigma, and surface aspect of pollen grains. We present distribution maps, informal conservation status, and phenological data for the new species, an identification key for the Brazilian species of P. subsect. Phyllanthus, and discuss its systematic position in the Phyllanthus section.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"307 - 312"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44189287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Resurrection of Tectaria cadieri from T. ingens (Tectariaceae) Based on Morphological and Molecular Data 基于形态学和分子数据的T.ingens（Tectariaceae）中柚木的复活
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873143
Shu-Han Li, Zheng-Yu Zuo, S. Dong
{"title":"Resurrection of Tectaria cadieri from T. ingens (Tectariaceae) Based on Morphological and Molecular Data","authors":"Shu-Han Li, Zheng-Yu Zuo, S. Dong","doi":"10.1600/036364423X16847773873143","DOIUrl":"https://doi.org/10.1600/036364423X16847773873143","url":null,"abstract":"Abstract We demonstrate that Tectaria cadieri (Tectariaceae) is a distinct species in Vietnam after long being placed under the synonymy of T. ingens. Morphologically, T. cadieri is similar to T. ingens, T. setulosa, and T. trichotoma in their large fronds (up to 0.8–2 m long), 3-pinnate laminae, fully free veins, and sori in two rows on ultimate segments. However, our observations show that T. cadieri differs from these species in the presence of linear, membranaceous stipe scales. Our analyses of five plastid regions (atpB, ndhF plus ndhF-trnN, rbcL, rps16-matK plus matK, and trnL-trnF) show that T. cadieri is not closely related to T. ingens, T. setulosa, nor T. trichotoma. Rather, T. cadieri is closely related to T. multicaudata, a morphologically distinct species with anastomosing veins. Along with a detailed description and illustrations for T. cadieri, we provide morphological comparisons and comments on the relationships between T. cadieri and morphologically similar species.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"192 - 199"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46344200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cirsium tukuhnikivatzicum, a New Species of Thistle Endemic to the La Sal Mountains of Utah 犹他州拉萨尔山脉特有的蓟属一新种——圆蓟
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873170
Jennifer R. Ackerfield
{"title":"Cirsium tukuhnikivatzicum, a New Species of Thistle Endemic to the La Sal Mountains of Utah","authors":"Jennifer R. Ackerfield","doi":"10.1600/036364423X16847773873170","DOIUrl":"https://doi.org/10.1600/036364423X16847773873170","url":null,"abstract":"Abstract Cirsium (thistles) have long been considered one of the most taxonomically challenging groups of plants in western North America. However, the relationships among thistles have become clearer thanks to recent molecular phylogenetic work. The results of this work revealed that Cirsium eatonii var. eriocephalum was polyphyletic, consisting of three distinct evolutionary lineages. Each of these lineages was also found to be distinct morphologically as well as geographically. Multiple lines of evidence thus indicated that Cirsium eatonii var. eriocephalum consisted of at least three distinct species. The first species recognized was the previously named C. scopulorum. The second lineage was recently named and described as Cirsium funkiae. The third lineage is here described as a new species, Cirsium tukuhnikivatzicum. Mount Tukuhnikivatz is a prominent backdrop against this new species of thistle. Tukuhnikivatz is also the Southern Paiute word for “place where the sun shines longest” and Ute word for “where the sun sets last.” The specific epithet tukuhnikivatzicum is therefore used to indicate the distribution of this species, while also acknowledging and paying tribute to the Southern Paiute and Ute legacy of use of the La Sal Mountains. There was a taxonomic lag time of 112 yr between the first specimen collection and the new species description presented here.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"354 - 362"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43957243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morphometrics and Phylogenomics Reveal a New Species of Heuchera (Saxifragaceae) in Northeastern México 形态计量学和系统发育基因组学揭示墨西哥东北部虎耳草科一新种
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873071
N. J. Engle-Wrye
{"title":"Morphometrics and Phylogenomics Reveal a New Species of Heuchera (Saxifragaceae) in Northeastern México","authors":"N. J. Engle-Wrye","doi":"10.1600/036364423X16847773873071","DOIUrl":"https://doi.org/10.1600/036364423X16847773873071","url":null,"abstract":"Abstract Here I describe a new species, Heuchera folkii, narrowly endemic to high altitude limestone outcrops of the Sierra Madre Oriental, Coahuila, Mexico, together with a phylogenomic and morphometric evaluation of the Heuchera species of northeastern Mexico. Originally thought to be a disjunct population of Heuchera sanguinea, the new species is phylogenetically and morphologically most similar to Heuchera lakelae, from which it is distinguished based on morphometric characters and other morphological attributes, phylogenetic placement, geographic range, phenology, and ecological preferences.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"220 - 230"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46158894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Taxonomic Revision of Bredemeyera (Polygalaceae) 远志科Bredemeyera的分类学修订
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873224
M. Mota, F. B. Matos, R. Goldenberg, J. F. B. Pastore
{"title":"Taxonomic Revision of Bredemeyera (Polygalaceae)","authors":"M. Mota, F. B. Matos, R. Goldenberg, J. F. B. Pastore","doi":"10.1600/036364423X16847773873224","DOIUrl":"https://doi.org/10.1600/036364423X16847773873224","url":null,"abstract":"Abstract Bredemeyera is a neotropical genus that comprises 12 species of woody vines and sub-erect or scandent shrubs. It occurs from Mexico to Paraguay and nearly all over Brazil. In this paper, we present a complete taxonomic revision of the genus. Bredemeyera ericifolia, a new species from the Brazilian state of Piauí, is here described and illustrated. Lectotypes are designated for Bredemeyera bracteata, B. densiflora, B. densiflora var. glabra, B. floribunda var. puberula, B. huberiana, B. isabelliana, B. laurifolia var. parvifolia, B. myrtifolia, B. parviflora, Catacoma altissima, C. brevifolia, C. lucida, and Securidaca flexuosa. A [second-step] lectotype is designated for B. velutina. Here, the names Bredemeyera altissima and B. lucida are considered taxonomic synonyms of B. divaricata, whereas B. myrtifolia and B. densiflora are synonyms of B. bracteata, and finally, B. disperma is considered a synonym of B. laurifolia. We provide an identification key, descriptions, distribution maps, illustrations, and comments on the conservation status, nomenclature, and taxonomy of all species involved.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"231 - 262"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49072905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies of Vietnamese Pteridophyte Flora 2 越南蕨类植物区系研究2
IF 1 3区 生物学
Systematic Botany Pub Date : 2023-06-21 DOI: 10.1600/036364423X16847773873161
Cheng-Wei Chen, T. Hsu, Hoang Son Doan, V. Do, H. T. Luu, Van Son Le, Yea-Chen Liu, CHIA-WEI Li, Yao-Moan Huang, Kuo-Fang Chung
{"title":"Studies of Vietnamese Pteridophyte Flora 2","authors":"Cheng-Wei Chen, T. Hsu, Hoang Son Doan, V. Do, H. T. Luu, Van Son Le, Yea-Chen Liu, CHIA-WEI Li, Yao-Moan Huang, Kuo-Fang Chung","doi":"10.1600/036364423X16847773873161","DOIUrl":"https://doi.org/10.1600/036364423X16847773873161","url":null,"abstract":"Abstract We reported nine fern species: Amblovenatum opulentum, Athyrium erythropodum, Haplopteris angustifolia, Hymenophyllum acanthoides, Hymenophyllum pachydermicum, Huperzia liangshanica, Microlepia smithii, Selaginella bisulcata, and Selaginella reticulata as indigenous to Vietnam based on our new collections and study of type materials and relevant references. We also described one new species, Dryopteris huongii, to accommodate its morphological distinctiveness from its congeneric species. We further investigated the phylogenetic relationships of the new species using three plastid DNA markers, and the result shows it belongs to Acrorumohra clade, sister of D. gymnophylla.","PeriodicalId":54438,"journal":{"name":"Systematic Botany","volume":"48 1","pages":"159 - 172"},"PeriodicalIF":1.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41908248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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