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Duck-potato, Sagittaria latifolia


Short description of Sagittaria latifolia, Duck-potato

Duck potato is a rhizomatous aquatic plant with all leaves and the inflorescence arising from the base. The leaves are usually strongly sagittate, often very broadly so, the flowers are large, with white petals.

Description of Sagittaria latifolia, Duck-potato status in GB

Duck potato is established around London, with scattered populations in south-west England and locally further north.

Habitat summary: Sagittaria latifolia, Duck-potato

In its native range, duck potato occurs in wet ditches, pools, streams and on the margins of lakes and rivers. In GB, it tends to grow where planted and is most frequent in small pools and the margins of lakes. It is apparently spreading along the Wet and Arun Canal.

Overview table

Environment: Freshwater
Species status: Non-Native
Native range: Western Canada, Eastern Canada, Northwestern U.S.A., North-Central U.S.A., Northeastern U.S.A., Southwestern U.S.A., South-Central U.S.A., Southeastern U.S.A., Mexico, Colombia, Costa Rica, Ecuador, Guatemala, Honduras, Nicaragua, Panama
Functional type: Land plant
Status in England: Non-Native
Status in Scotland: Non-Native
Status in Wales: Non-Native
Location of first record: v.c.17 (Epsom Common)
Date of first record: 1941

Distribution map

GB Distribution from BSBI

Author's name:

R.V. Lansdown

Last updated:

October 3rd 2019

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Thin strip of image show tree trunk and bark