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Reclamos y multas en pueblos de indios : la visita de Garabito de León a Corrientes. Río de la Plata, 1649-1653
(OpenEdition Journals, 2014)Tomando como referencia principal la visita del oidor Andrés Garabito de León a mediados del siglo XVII, se caracteriza a las encomiendas de la ciudad de Corrientes y a algunos de los pueblos de indios pertenecientes a ... -
Phylogenetics of Gratioleae (Plantaginaceae) : paraphyly of Stemodia and its implications for generic circumscriptions, with insights from floral evolution
(Wiley Blackwell Publishing, Inc, 2022)Gratioleae are the most species-rich tribe of Plantaginaceae in the tropics, spanning c. 30 genera and > 300 species, with a wide range of morphological variation and ecological strategies. As a first effort towards a ... -
A new species of Schizachyrium (Poaceae-Andropogoneae) from Brazil
(Wiley Blackwell Publishing, Inc, 2006)A new Brazilian species, Schizachyrium hatschbachii Peichoto, is described and illustrated. It is restricted to southern Brazil, where it grows in grasslands. Diagnostic characters, description, detailed illustration ... -
How important was polyploidy in the diversification of herbs in the Chaquean Domain? The case of the Turnera sidoides autopolyploid complex (Passifloraceae: urneroideae)
(Wiley Blackwell Publishing, Inc, 2022)The evolutionary processes that shape the unique biodiversity of the Neotropical Chaquean Domain are still poorly understood, and choosing an appropriate model to address evolutionary questions is essential for understanding ... -
Uniparentality : advantages for range expansion in diploid and diploid-autopolyploid species
(Wiley Blackwell Publishing, Inc, 2022)Uniparental reproduction, the capacity of an individual to produce offspring autonomously, is expected to facilitate range expansion of populations. Paspalum spp. reproduce uniparentally by sexual (self-fertility) and ... -
Genome size evolution in Sapindaceae at subfamily level : a case study of independence in relation tokaryological and palynological traits
(Wiley Blackwell Publishing, Inc, 2014)Sapindaceae s.l. is a moderately large family of trees, shrubs and lianas. Current knowledge on genome size and how it varies in this family is scarce. This research aims to characterize the DNA content in 39 species ... -
Insights into the morphology and evolution of orbicules in the Spermacoce clade (Spermacoceae-Rubiaceae) and implications for systematics
(Wiley Blackwell Publishing, Inc, 2023)The orbicules are tiny structures of sporopollenin that occur on the interior wall of anthers in several groups of plants, and they are associated with pollen grains and tapetal cells. Although their function remains still ... -
Gynoecium structure and pollen tube pathway in the cactus family with emphasis on tribe Trichocereeae (Cactaceae: Cactoideae)
(Wiley Blackwell Publishing, Inc, 2023)The structural details of the gynoecium are key to understanding the reproductive systems and successful diversification of flowering plants. However, the gynoecium morpho-anatomy in South American species of Cactaceae ... -
New data for palaeoclimatic reconstructions in the upper/middle Uruguay river basin : caesalpinioid Fabaceae woods in the Late Pleistocene
(Wiley Blackwell Publishing, Inc, 2022)The El Palmar Formation is the principal unit deposited during the Late Pleistocene by the Uruguay River in eastern Entre Ríos province, Argentina and north-western Uruguay. The Arroyo Yuquerí fossiliferous locality ... -
Carpellary appendages in Nymphaea and Victoria (Nymphaeaceae) : evidence of their role as osmophores based on morphology, anatomy and ultrastructure
(Wiley Blackwell Publishing, Inc, 2019)In flowers of Nymphaea and Victoria, carpellary appendages are regarded as structures related to pollination by deceit of night-blooming species. In this study, the anatomy, histochemistry and ultrastructure of carpellary ...
