<P> Another interesting case is that of cauliflower . The edible cauliflower is a domesticated version of the wild plant Brassica oleracea, which does not possess the dense undifferentiated inflorescence, called the curd, that cauliflower possesses . </P> <Table> <Tr> <Td> </Td> <Td> Wikispecies has information related to: Brassicaceae </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Wikispecies has information related to: Brassicaceae </Td> </Tr> <P> Cauliflower possesses a single mutation in a gene called CAL, controlling meristem differentiation into inflorescence . This causes the cells at the floral meristem to gain an undifferentiated identity and, instead of growing into a flower, they grow into a lump of undifferentiated cells . This mutation has been selected through domestication since at least the Greek empire . </P>

What were the first flowering plants on earth