دورية أكاديمية
Exploring floral morphoanatomy and embryology in wild populations of Chrysolaena flexuosa (Vernonia, Asteraceae): a contribution to understanding its ornamental potential.
| العنوان: | Exploring floral morphoanatomy and embryology in wild populations of Chrysolaena flexuosa (Vernonia, Asteraceae): a contribution to understanding its ornamental potential. |
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| المؤلفون: | Pérez YJ; Instituto de Botánica del Nordeste, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional del Nordeste, Sargento Cabral 2131, CC 209, 3400, Corrientes, Argentina. yaninajperez@hotmail.com.ar., Via Do Pico G; Instituto de Botánica del Nordeste, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional del Nordeste, Sargento Cabral 2131, CC 209, 3400, Corrientes, Argentina.; Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste, Av. Libertad 5470, CC 209, 3400, Corrientes, Argentina., González AM; Instituto de Botánica del Nordeste, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional del Nordeste, Sargento Cabral 2131, CC 209, 3400, Corrientes, Argentina.; Facultad de Ciencias Agrarias, Universidad Nacional del Nordeste, Sargento Cabral 2131, CC 209, 3400, Corrientes, Argentina., Angulo MB; Instituto de Botánica del Nordeste, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional del Nordeste, Sargento Cabral 2131, CC 209, 3400, Corrientes, Argentina.; Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste, Av. Libertad 5470, CC 209, 3400, Corrientes, Argentina. |
| المصدر: | Protoplasma [Protoplasma] 2024 Jul; Vol. 261 (4), pp. 831-845. Date of Electronic Publication: 2024 Feb 29. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Springer Country of Publication: Austria NLM ID: 9806853 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1615-6102 (Electronic) Linking ISSN: 0033183X NLM ISO Abbreviation: Protoplasma Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: <1998->: Wien ; New York : Springer Original Publication: Leipzig : Verlag von Gebrüder Borntraeger, 1927- |
| مواضيع طبية MeSH: | Flowers*/anatomy & histology , Flowers*/growth & development , Asteraceae*/anatomy & histology , Asteraceae*/growth & development , Asteraceae*/genetics, Pollen/anatomy & histology ; Pollen/ultrastructure |
| مستخلص: | Chrysolaena flexuosa (Sims.) H. Rob. is a South American species in the tribe Vernonieae, with potential ornamental value: it has attractive inflorescences, is suitable for pot cultivation, and its cypselae are useful for dried flower arrangements. Apart from studies on the growth dynamics of this species under cultivation, chromosome number, DNA content, ploidy level, size, pollen viability, and the characterization of phenotypic and genetic variability, it is noteworthy that other aspects regarding the floral architecture, reproductive mode, and gametophyte formation of C. flexuosa have not yet been studied. For this reason, our study encompasses a floral morphoanatomical survey and a comprehensive assessment of gametophyte development in the species. As a result of this study, we report new floral morphotypes, confirming that the morphological variability of the species might be greater than speculated. The morphoanatomy of the androecium and gynoecium and the male and female gametophyte developmental characteristics are uniform in all the populations studied despite the different ploidy levels. Chrysolaena flexuosa has five tetrasporangiate stamens of the dicotyledonous type of development; all the populations studied displayed a unilocular inferior ovary with a single anatropous, unitegumented, and tenuinucellar ovule. Given that all the embryo sacs observed were of the Polygonum-type development regardless of the ploidy level, we infer that the populations analyzed are fertile and undergo sexual reproduction. Our results not only contribute further research in the field of breeding systems and propagation of this species, but also promote the successful introduction of C. flexuosa to the plant ornamental market. (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature.) |
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| معلومات مُعتمدة: | PIP No. 112-2020-0102838 Consejo Nacional de Investigaciones Científicas y Técnicas; PI No. 19-P005 Secretaría General de Ciencia y Técnica, Universidad Nacional del Nordeste |
| فهرسة مساهمة: | Keywords: Gametophyte; Morphoanatomy; Ornamental breeding; Vernonieae |
| تواريخ الأحداث: | Date Created: 20240229 Date Completed: 20240624 Latest Revision: 20240624 |
| رمز التحديث: | 20240624 |
| DOI: | 10.1007/s00709-024-01937-y |
| PMID: | 38421489 |
| قاعدة البيانات: | MEDLINE |
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Full Text Finder | تدمد: | 1615-6102 |
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| DOI: | 10.1007/s00709-024-01937-y |