slender knotweed
Persicaria decipiens (R.Br.) K.L.Wilson

Persicaria decipiens, commonly known as slender knotweed, is a species of flowering plant native to Australia and Asia. It is an annual, climbing herb found on river and lake shores.
Description
Persicaria decipiens (R.Br.) K.L.Wilson is a member of the Polygonaceae family. It is an annual, climbing herb found on river and lake shores. This species is native to regions including Angola, where it was recorded by L. Catarino in 1904. It is distributed across several countries in Africa, as well as parts of Asia and the Mediterranean. The species was published in 1988.
Other common names
willow-weedslender knotweed
Distribution
MG · NO · Albania · Algeria · Angola · Assam · Baleares · Bangladesh · Benin · Botswana · Bulgaria · Burkina · Burundi · Cameroon · Canary Is. · Cape Provinces · Cape Verde · Caprivi Strip · Central African Repu · Chad · Chatham Is. · China Southeast · Congo · Corse · Cyprus · East Aegean Is. · Egypt · Ethiopia · France · Free State
Synonyms
Persicaria salicifoliaPersicaria serrulataPersicaria minor subsp. decipiensPolygonum salicifoliumPolygonum serrulatumPolygonum serrulatoidesPolygonum decipiens