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Reproductive biology and pollinators in two enantiostylous Qualea species (Vochysiaceae) in the Brazilian Cerrado.

التفاصيل البيبلوغرافية
العنوان: Reproductive biology and pollinators in two enantiostylous Qualea species (Vochysiaceae) in the Brazilian Cerrado.
المؤلفون: Morais JM; Departament of Botany, Institute of Biological Sciences, University of Brasília, Brasília, DF, Brazil., Consolaro HN; Departament of Biological Sciences, Institute of Biotecnology, Federal University of Catalão, Catalão, GO, Brazil., Bergamini LL; Centro de Estudos Ambientais do Cerrado, IBGE Ecological Reserve, Brasília, DF, Brazil., Ferrero V; Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal.
المصدر: Plant biology (Stuttgart, Germany) [Plant Biol (Stuttg)] 2020 Sep; Vol. 22 (5), pp. 872-880. Date of Electronic Publication: 2020 Jul 04.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Wiley Country of Publication: England NLM ID: 101148926 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1438-8677 (Electronic) Linking ISSN: 14358603 NLM ISO Abbreviation: Plant Biol (Stuttg) Subsets: MEDLINE
أسماء مطبوعة: Publication: Oxford, England : Wiley
Original Publication: Stuttgart : New York, NY : G. Thieme Verlag ; Thieme New York, c1999-
مواضيع طبية MeSH: Myrtales*/physiology , Pollination*/physiology, Animals ; Brazil ; Flowers/anatomy & histology ; Pollen ; Reproduction/physiology
مستخلص: Enantiostyly is a floral polymorphism in which two floral forms in the same species differ in deflection of the stigma to right or left position. In monomorphic enantiostylous plants, flowers of the two morphs occur within the same individual, usually in the same proportion. In self-compatible species the function of monomorphic enantiostyly is proposed to increase outcrossing rates and offer a reproductive advantage under pollination limitation. Enantiostylous species are usually self-compatible and show heteranthery, with poricide anthers and pollen as pollinator reward; however, there are families, such as Vochysiaceae, that have different characteristics. We analysed the reproductive system and pollination biology of Qualea parviflora and Q. multiflora, two enantiostylous species from the Brazilian Cerrado that have specific morphological and physiological traits. For this, we characterized flower traits, performed hand pollinations and studied floral visitors. We found no differences between morphs in the proportion of flowers, nectar produced or its concentration, pollen quantity and fruit set. Both species were self-incompatible and quite generalist regarding floral visitors. Enantiostyly in self-incompatible plants seems to confer a reproductive advantage by reducing self-interference resulting from stigma clogging. This novel result helps to expand our knowledge on this complex floral polymorphism and opens new avenues for future research on this topic.
(© 2020 German Society for Plant Sciences and The Royal Botanical Society of the Netherlands.)
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معلومات مُعتمدة: SFRH/BPD/108707/2015 Portuguese Foundation for Science and Technology (FCT); 2016 Percy Sladen Memorial Fund
فهرسة مساهمة: Keywords: Breeding system; Qualea multiflora; Qualea parviflora; floral dimorphism; mirror-image flowers
تواريخ الأحداث: Date Created: 20200128 Date Completed: 20210113 Latest Revision: 20210113
رمز التحديث: 20221213
DOI: 10.1111/plb.13091
PMID: 31984595
قاعدة البيانات: MEDLINE
الوصف
تدمد:1438-8677
DOI:10.1111/plb.13091