Plants of South Eastern New South Wales
Sisymbrium orientale
Common name
Indian hedge mustard
Family
Brassicaceae
Where found
Weed of woodland, pastures, grasslands, crops, coastal environs, roadsides, disturbed sites, and waste areas. Widespread.
Notes
Introduced annual or biennial herb to 1.3 m tall, hairy with soft hairs pointing down. Basal leaves not persisting, to 11 cm long, flat, hairy, deeply dissected with triangular lobes, margins toothed. Stem leaves alternating up the stems, hairy, tips pointed, the lowest leaves with pointed basal lobes, upper leaves becoming lance head shaped and entire. Flowers with 4 yellow petals each 6–10 mm long, in clusters at the tops of the stems, which elongate as the 'pods' mature. Flowers mostly spring–summer. 'Pods' 4–10 cm long, 1–2 mm wide, thick-walled; stalks spreading, 3–10 mm long.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Sisymbrium~orientale (accessed 7 February, 2021)
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