Common names:
Marsh ragwort, water ragwort
Family:
Scientific name:
Jacobaea aquatica
Synonym:
senecio aquaticus
Main flower color:
Range:
Most areas of the UK
Height:
Up to 80 cm
Habitat:
Marshes, damp grassland
Flowers:
Flowerheads are up to 30 mm in diameter; around 15 to 20 yellow ray florets around a centre of many tiny disc florets. Phyllaries have a sparse covering of cottony hairs, as does the grooved stem. Phyllary tips are often reddish. The inflorescence is an open cluster, of relatively few heads
Leaves:
Basal leaves are ovate to elliptical, generally unlobed, while stem leaves are partially divided, with a large terminal lobe. Leaf margins and petioles are often reddish-purple
Season:
July to August
Rarity:
★★★★★
