Nodding Bur-marigold - Bidens cernua
Short to tall plant with erect stems. Leaves opposite, linear lanceolate to lanceolate, toothed and unstalked. Flowerheads yellow, 15 to 25 mm, nodding, with or without rays. Outer flowers bracts 5 to 8, leaf like, the inner with dark streaks.
Moist habitats. Margins of ponds, lakes, rivers and canals.
Flowering July to September.
Scattered throughout much of Britain though scarce in the south west.
Quite scarce in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 12 of the 617 tetrads.
Leicestershire & Rutland Map
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