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...if you can get to the reeds: the leaves are only loosely attached, and they swivel around the stem.
I am guessing that this allows the leaves to be aligned by the changing wind, rather than flopped over and damaged?
It's a useful trick for getting youngsters interested in botany - it's the only plant I know whose leaves can be (gently) swivelled around the stem.
How to take close-ups with cheap phone and hand-lens:
Field Guides for Budding Botanists:
I didn't know that, I'll try it out, thanks.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Lat/Lng: 51.3, -1.2
OS grid ref: SU5965