In grass at Kew. Interesting stigma - haven't noticed that before.
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...as you say, interesting: I'd also say, lovely!
They appear only to do the spiralling when the ovary starts to swell - so in earlier-stage flowers, they appear to be short and straight.
An artefact of maturing, I suppose?
How to take close-ups with cheap phone and hand-lens:
Field Guides for Budding Botanists:
Lat/Lng: 51.481072222222, -0.29535
OS grid ref: TQ184771