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A taxonomic update of Neotropical Pradosia (Sapotaceae, Chrysophylloideae)
Swedish Museum of Natural History, Department of Botany.
2016 (English)In: Systematic Botany, ISSN 0363-6445, E-ISSN 1548-2324, Vol. 41, 634-650 p.Article in journal (Refereed) Published
Abstract [en]

We provide a systematic update of Pradosia (Sapotaceae, Chrysophylloideae), including overall morphology, a key to all species, comprehensive morphological descriptions, geographic distributions, and important characteristics for each species. Phyloge- netic analyses based on molecular data demonstrated that the genus is monophyletic and includes three main clades. Twenty-three species of Pradosia are accepted, which are mostly distributed in lowland rainforests on either white-sand or clayish soils in tropical South America. A rotate corolla with a short tube, lack of staminodes, a drupaceous fruit with plano-convex cotyledons, an exserted radicle below the cotyledons, and the absence of endosperm are diagnostic for the genus. Two names are reduced into synonymy, viz. Pradosia atroviolacea Ducke, syn. of P. grisebachii (Pierre) T. D. Penn., and Pradosia verrucosa Ducke, syn. of P. glaziovii (Pierre) T. D. Penn. The affinity of P. argentea (Kunth) T. D. Penn., a species known only from the type collection, remains uncertain and for now excluded from the genus.

Place, publisher, year, edition, pages
2016. Vol. 41, 634-650 p.
Keyword [en]
Amazon, Atlantic forest, extinct species, phylogeny, Sapotaceae
National Category
Botany
Research subject
Diversity of life
Identifiers
URN: urn:nbn:se:nrm:diva-1817DOI: DOI 10.1600/036364416X692389OAI: oai:DiVA.org:nrm-1817DiVA: diva2:957789
Available from: 2016-09-05 Created: 2016-09-05 Last updated: 2016-09-05Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • nn-NB
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  • Other locale
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