Cells, Genes & Molecules Lucky heather? No, clover! Swift – Image: Paweł Kuźniar, Wikimedia Commons. Work by Rebecca Tashiro et al. (Crop Science 50: 1260–1268, 2010), which identifies a gene that converts 3-leaved white clover (Trifolium repens) into 4-leafed... Nigel ChaffeySeptember 21, 2010