Perennial Rocket
Scientific name: Sisymbrium strictissimum L.
Diagnostic features Perennial with strong rootstock. Stems little branched, to 1.2m, erect. Leaves entire to dentate. Fruits 3-9(11)cm, erect to erecto-patent.
Chromosome number: (2n=28, 32).
Habitat Introduced-naturalized; walls, rough and waste ground.
Distribution Very few places in England from Surrey to Durham, occasionally a casual; Europe.
Thisspecies is keyed out on Page 2637 in the Text Key. |