Monoculus monstrosusCommon name: Stinking Roger
Distribution: Occurs throughout the southwest of Western Australia.
Description: An erect annual to 50 centimetres tall. The flowers are banded yellow on the outer edge and brown on the inner.
Notes: A native of South Africa. This plant was previously known as Osteospermum clandestinum and Tripteris clandestina.
References: Western Weeds, A Guide to the Weeds of Western Australia. BMJ Hussey, GJ Keighery, J Dodd, SG Lloyd, RD Cousens. 1997.
Flora of the Perth Region. NG Marchant, JR Wheeler, BL Rye, EM Bennett, NS Lander, TD Macfarlane. 1987.
Florabase – https://florabase.dpaw.wa.gov.au/browse/profile/29418