Dune onion weed. Trachyandra divaricata
Native to South Africa
Considered a major pest in Western Australia and has potential to become a significant problem in NSW. Invades dunes on the central coast between Wollongong and Gosford.
Form: Erect tuft herb up to 70cm high.
Flower: White with brown central stripe on petals. Late winter to spring.
Fruit/Seed: Capsule red-brown to brown-black with seeds red-brown to black.
Control: Plants usually found growing in soft sand so removal by hand is easy. Remove entire plant using a mattock. If the plant has already flowered, ensure any seed is bagged and disposed of appropriately.