Search results for "Gnaphalieae"

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Leaf shape variation and taxonomic boundaries in two sympatric rupicolous species of Helichrysum (Asteraceae: Gnaphalieae), assessed by linear measur…

2012

Quantifying and understanding the causes of population differentiation in plants are critical for assessing the taxonomic structure of species, as the level of differentiation among populations may correspond to incipient speciation. Using linear and geometric morphometric approaches, phenotypic variation and associations between leaf traits and geographic and environmental characteristics were investigated in Helichrysum crassifolium and the widespread and sympatric Helichrysum pendulum: two species exhibiting conspicuous leaf variation in size and shape. The morphometric results show that both species have distinct patterns of leaf shape variation. However, overlapping values link the ran…

education.field_of_studybiologyEcologyPopulationNiche differentiationReproductive isolationIncipient speciationbiology.organism_classificationSympatric speciationGnaphalieaeEvolutionary biologyHelichrysumeducationEndemismEcology Evolution Behavior and SystematicsBiological Journal of the Linnean Society

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