Ephemeral creekbank plant

Stout decumbent herb 60-100 cm high; stems not hairy or with very scattered long hairs; found on margins of open swamps; occasional. Leaves narrow-ovate to 20 cm, petiole 10-40 mm long Inflorescences are elongate-cylindrical spikes, very dense, white. Fruit is a dark brown to blackish nut to 2.5 mm long. Flowers are cylindrical spikes with dense white flowers.

Photo: Robert Whyte

Flowers close-up. Photo: Robert Whyte

Leaves. Possibly Persicaria attenuata but hard to tell without flowers. Photo: Robert Whyte

Stalk. Possibly Persicaria attenuata but hard to tell without flowers. Photo: Robert Whyte

Seed collecting and propagation

Fruit is a dark brown to blackish nut to 2.5 mm long. Can be propagated by seed, stem cuttings or division.