Abstract Background and Aims The entangled relationship of chromosome number and
genome size with species distribution has been the subject of study for almost a century, but …

Sisyrinchium, a large genus of the Iridaceae family, is divided into ten sections and defined
by genetic, morphological and phylogenetic traits. The section Viperella, though …

Abstract Changes in chromosome number and structure, as well as alterations in genome
size, are important cytological characters that often reflect speciation events. Due to a wide …

The Epidendrum nocturnum Jacq. group comprises about 60 species. Nine species occur in
Brazil, predominantly in the Atlantic and Amazon Forests. The group is taxonomically …

Abstract Doradinae (Siluriformes: Doradidae) is the most species-rich subfamily among
thorny catfishes, encompassing over 77 valid species, found mainly in Amazon and Platina …

Sisyrinchium is one of the largest genera in Iridaceae, comprising more than 200 species
and native to Hawaiian Islands, Temperate and Subtropical America to Falkland Islands. In …

第四纪气候波动以及地理和环境隔离深刻地影响了现代植物的遗传多样性, 遗传结构和地理分布
格局ꎮ 该研究采用分子谱系地理学的研究方法对药用植物半夏19 个居群共212 个个体的3 …

Four spontaneous diploid taxa (2n= 2x= 16 chromosomes) of the genus Hedysarum L. were
studied for the first time using molecular cytogenetic approach and a tetraploid one as an …

Polyploidy is often related with phenotypic variation, as observed in Herbertia lahue, a
geophyte species. This study examined the H. lahue polyploid series and departure in …

Herbertia quareimana é uma espécie herbácea com distribuição restrita a poucas
localidades do bioma Pampa próximas à fronteira do Brasil com Argentina e Uruguai. Dois …