Persicaria attenuata subsp. attenuata

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: data deficient (k)

Erect to decumbent perennial herb to c. 1 m high; stems becoming inflated and floating, up to 3 m long when plants are submerged, glabrous or with scattered hairs. Ochreas glabrous or with appressed hairs on sheath, apex sometimes ciliate. Leaves narrowly ovate, ± falcate, 5–20 cm long, 15–50 mm wide; variably pubescent, usually at least the margins and main veins with long white appressed hairs, lamina glabrous to subvillous, usually densely gland-dotted on the lower surface, less often glandular above; petiole 10–40 mm long. Inflorescence of 2–4 well spaced, dense cylindrical spikes, 4–13 cm long, 6–10 mm diam., peduncle 4–5 cm long; perianth segments 3–5 mm long, white, or somewhat greenish, free for half to two-thirds their length. Nut lenticular, 2.0–2.5 mm long and wide, dark brown to blackish. Flowers Apr.–Sep. (2 records).

MuF, RobP. Only known from a few sites in northern Victoria, growing at margins of wetlands with Red Gum saplings (Eucalyptus camaldulensis), and in water c. 2 m deep.

Created by: Andre Messina, 2015-06-02
Updated by: Andre Messina, 2017-09-19
Distribution map


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Persicaria attenuata subsp. attenuata in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Persicaria attenuata subsp. attenuata in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Robinvale Plains present native
Murray Fans present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales