Caption: Conospermum. A-C , C. sigmoideum . A , flowering stem; B , spike; C , flower (A-C , D.Butcher 334, PERTH). D-F , C. filifolium subsp. filifolium . D , flowering stem; E , spike; F , flower (D-F , J.Beard 1803, PERTH).Illustrators: C.Vasiliu.
Flora of Australia Volume 16 (1995) figure 113.