title: Why is a raven like a writing desk? Origins of the sunflower that is neither an artichoke nor from Jerusalem.
authors.affiliation: Department of Life Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, UK.
authors.forename: Sandra
authors.initials: S
authors.lastname: Knapp
mesh_terms: D005075:Biological Evolution; D018556:Crops, Agricultural / Q000235:genetics*; D018745:Genome, Plant / Q000235:genetics*; D006368:Helianthus / Q000235:genetics*; D035281:Plant Tubers / Q000235:genetics*
keywords: Jerusalem Artichoke; evolution; molecular sequencing; origins of cultivates plants; phylogenetic analysis; polyploidy; sunflower