Hedge Mustard - Sisymbrium officinale
Medium to tall plant with spreading branches. Lower leaves deeply pinnately lobed, with a large terminal lobe. Flowers pale yellow, small 3 mm. Fruits short 10 to 20 mm closely pressed to the stem.
Seed-pods long, without beak, splitting into 2 valves with one row of seeds in each valve; appressed to stem (i.e folded up to lie alongside stem)
Waste places, roadsides, occasionally on arable land.
May to September.
Annual or biennial.
Fairly common throughout much of Britain though scarcer in central and northern Scotland.
Common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 474 of the 617 tetrads.
In the current Checklist (Jeeves, 2011) it is listed as Alien (archaeophyte), frequent
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015