Complementation crosses were performed to confirm that *lwd1* and *eam7* are allelic, which are both recessive mutations. For this, homozygous *lwd1* mutants *lwd1-26*, *lwd1-390*, and *lwd1-402* were crossed with BW(Ppd-H1, eam7). F1 plants were grown under SD conditions and flowering time was scored. If *lwd1* and *eam7* are allelic, we expected the F1 plants to display the mutant phenotype and be early flowering under SD.