YELLOW BURRHEAD

Limnocharis flava

PROHIBITED MATTER – REPORT THIS WEED (02) 6623 3800

Prevent This Weed

Description An erect, anchored, perennial plant that grows up to 1 m above the water surface. It prefers fertile, shallow, still water.

Leaves Green, with 11–15 parallel veins, 5–30 cm long and 4–25 cm wide.

Leaf shape varies with age. Young leaves are narrow, broadening and becoming more oval-shaped with age.

Flowers Three-petalled, small, pale yellow and cup-shaped, growing in clusters of 5–15. Flowers year-round.

Fruit Round, up to 2 cm wide and made up of 12–18 crescent-shaped segments.

Seeds About 1.5 mm long, dark brown and horseshoe-shaped, with obvious ridges. Seeds are buoyant.

Stems Leaf stems grow in clumps from seed or daughter plants. They are green, triangular and fleshy, and grow to 75 cm in height.

Dispersal Seed or vegetative reproduction from plant fragments dispersed by waterways. Seed also spread in mud attached to vehicles, machinery, footwear, birds, animals.

Control Please do not attempt to treat or dispose of this weed yourself.

Call (02) 6623 3800 if you see this plant anywhere in the Far North Coast region.