text:  Barbara Platt-Asher, live in Jerusalem. Thank you very much. A naming session ahead of the International Botanical Congress, which opens in Madrid Sunday evening, has voted to change the Latin identity of a number of plants from Southern Africa. They've been known by the prefix kafir, but that's also a derogatory phrase that was used about black South Africans in South Africa. Sandra Knapp from the Natural History Museum in London chaired the session, which approved the change of name. There was a proposal put to the section...