(Figure on left) Bird-pollinated Babiana (Iridacaeae) species endemic to the Western Cape, South Africa. a) B. ringens subsp. ringens; b) B. ringens subsp. australis; c) B. hirsuta; d) B. carminea; e) B. avicularis. Both B. ringens and B. avicularis exhibit a specialized bird perch composed of the naked inflorescence axis. All species are pollinated by sunbirds.