Pink Knotweed, Water Smartweed
Persicaria amphibia
Synonyms: Polygonum amphibium, Polygonum amphibium var. coccineum, Polygonum amphibium var. emersum, Polygonum amphibium var. natans, Polygonum amphibium var. stipulaceum, Polygonum coccineum, Polygonum coccineum var. coccineum, Polygonum coccineum var. hartwrightii, Polygonum natans, Polygonum natans var. hartwrightii
The photo above shows the upper stem leaves and inflorescence of water smartweed as seen in ponds at the public fishing area of Conboy Lake NWR.........July
31, 2008. Plants at this location are about 0.5-1 meter in height and begin the season mostly covered by water but end the seasonas the water completely dries up.
The photo above shows another view of the upper stem leaves and inflorescence of water smartweed as seen in ponds at the public fishing area of Conboy Lake NWR........July
31, 2008.
Paul Slichter