Which Senecio?

Which Senecio?

Observation - Which Senecio? - UK and Ireland. Description: Growing on top of a wall in the middle of Stamford, near to the railway station. Two rows of black-tipped bracts. Leaves appear hairy on the upper surface. Plant not sticky. Not sure if this is Senecio squalidus, the rayed form of S. vulgaris, or one of t

Growing on top of a wall in the middle of Stamford, near to the railway station. Two rows of black-tipped bracts. Leaves appear hairy on the upper surface. Plant not sticky. Not sure if this is Senecio squalidus, the rayed form of S. vulgaris, or one of the hybrids.