Sisymbrium orientaleCommon name: Indian Hedge Mustard

Meaning of name: Sisymbrium is the Latin name used by Pliny for mint and watercress. Orientale is from the Latin word orientalis, pertaining to the east or oriental.

Distribution: Found throughout Australia. In Western Australia it occurs south of a line from Exmouth to the South Australian / Northern Territory border.

Description: An erect annual or biennial herb to 1 metre tall. The yellow flowers are produced from March to November.

Notes: Native to western Asia and the Mediterranean.

References: Western Weeds, A Guide to the Weeds of Western Australia. BMJ Hussey, GJ Keighery, J Dodd, SG Lloyd, RD Cousens. Second edition. 2007.

Western Australian Plant Names and their Meanings, a Glossary. FA Sharr. 1996.

Florabase https://florabase.dpaw.wa.gov.au/browse/profile/3072

Atlas of Living Australia https://bie.ala.org.au/species/https://id.biodiversity.org.au/node/apni/2919433#overview