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...with Polygala, but can't tell species from this photo.
On a recent botany outing, we found it hard to tell the species, when we had the specimen growing in front of us!
There was much debate about the anastomosing veins of the sepals....
How to take close-ups with cheap phone and hand-lens:
Field Guides for Budding Botanists:
Lat/Lng: 51.0863, 0.0385
OS grid ref: TQ428338