Senecio viscosus
Senecio viscosus is a herbaceous annual plant of the genus "Senecio". It is known as the sticky ragwort, sticky groundsel or stinking groundsel. Description. An annual, growing to 70 cm high and covered with glandular hairs. Very similar to "Senecio sylvaticus" which does not have glandular hairs. The outer bracts show a brown tip. The ray-florets are ligulate, yellow and at first spreading then rolled back. The leaves are alternate and deeply lobed. "Senecio vulgaris" (Groundsel) does not have ray florets. Distribution. Locally common in Britain and Ireland on waste ground.