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I have been interested in nature for most of my life but since I retired I spend as much time as I can exploring the nature reserves and wildlife hotspots of my adopted home, Dorset in southern England. Whilst out I record what I see and take snaps where I can (I am no photographer!) and that forms the basis of my Nature of Dorset website. When I find something new I like to research it and write about it in my nature notes, it is how I learn and hopefully you might find my notes helpful as well!

This website is for the people of Dorset interested in wildlife and for people from elsewhere interested in the wildlife of Dorset!

26 September, 2016

Broad-leaved Pondweed: superficial interest



It is very easy to look into ponds and lakes, even slow moving rivers, and see a lot of leaves on the water's surface and yet take no notice. If there were bright yellow or large white flowers we would take note; "what lovely water-lilies!". But just, apparently, leaves; who is interested?
These leaves can be produced by a number of plants but the pondweed family are responsible for many and as such are appropriately named. The broad-leaved pondweed (Potamogeton natans) is one of the most common species and has rounded green leaves, smaller than a water-lily but much larger than a duckweed. It is not just leaves, however, as it produces a few stout spikes of pale yellow flowers but the leaves still seem more conspicuous than the flower stalks.
There are several pondweed species, few are common and some are escapes from water gardens so in fresh water ponds and lakes the most likely one you will encounter is the broad-leaved pondweed.
Broad-leaved Pondweed: superficial interest