Persicaria decipiens
Slender Knotweed
Erect to spreading perennial herb forming thickets. Sheath at base of leaf bristly along top margin.
Additional information
- SynonymPolygonum minus
- FamilyPolygonaceae
- StoreyLower storey
- SizeProstrate - 0.8 m x 1 m
- Plant groupingAquatic & Semi aquatic
- LeavesMid green lance-shaped leaves with dark blotch near the centre, 4-15 cm x 7-25 mm, margins and main veins bristly.
- Flower colourDeep pink
- Flowering timepeaking December to April
- FlowersNarrow cylindric, dense erect terminal spikes 2-6 cm long of tiny flowers on stalk 2-6 cm long.
- Bird attractingLeaves, seeds
- Butterfly attractingNo
- Frog habitatYes
- Growing conditionsAquatic to semi-aquatic along and in permanent watercourses and winter-wet areas. Full sun to full shade.
- Garden useExcellent waterbird habitat. Can be used in wet depressions or around farm dams.
- Commercially availableIndigenous nursery
- Conservation statusWidespread within the Shire
Photo Gallery
Photographer/s: 1, 2, 4-7 Marilyn Bull ©; 3 Peter Kinchington ©
Plant Communities