Common name: London Rocket
Sisymbrium irio L. APNI* 
Description: Annual or biennial herb 25–60 cm high, glabrous or with long curved hairs.
Basal leaves not in a rosette, to 25 cm long, pinnatisect with 2–6 pairs of lobes, toothed, petiolate; upper leaves sometimes entire.
Inflorescence without bracts. Sepals c. 3 mm long, glabrous. Petals usually 2.5–4 mm long, yellow to pale yellow. Siliqua linear, spreading, 2.5–6.5 cm long, < 1 mm wide, with swollen portions, valves glabrous, thin-walled, ± translucent; pedicel slender, 6–10 mm long.
Distribution and occurrence: Widespread and common.
NSW subdivisions: *NC, *CC, *NWS, *CWS, *SWS, *NWP, *SWP, *NFWP, *SFWP
Other Australian states: *Qld *Vic. *W.A. *S.A. *N.T.
Text by L. Retter & G. J. Harden
Taxon concept: Flora of NSW 1 (1990)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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