Ludwigia palustris (L.) Elliot APNI* 
Description: Glabrous herb with branched stems ascending or floating procumbent, rooting freely at the nodes.
Leaves opposite, broad-elliptic to ± ovate, mostly 1–6 cm long, 4–23 mm wide, base tapering; petiole 5–25 mm long.
Flowers axillary, usually paired, bracteoles minute or absent. Sepals 4, triangular. Petals absent. Stamens 4.
Fruit oblong, 4-angled, 2–5 mm long, 2–3 mm wide, readily dehiscent; seeds in each loculus in several rows, free.
Flowering: summer and autumn.
Distribution and occurrence: Naturalised along river banks of the upper Murray R. Native of N Hemisphere and Africa
NSW subdivisions: *CC, *SWS, *SWP
Other Australian states: *Vic.
Text by J. M. Dalby
Taxon concept: Flora of NSW 2 (1991)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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