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I thought there appeared to be just one enlarged tubercle per fruit, with no others or just tiny ones...that's why I went for Wood. Clustered also has tiny leaflets most of the way up the flowering stem, which this lacks.
My Flickr photos...
I must admit I was torn between wood & clustered I would love to have one of the fruits in my hand - as you say clustered can be leafy right to the top. :)
Lat/Lng: 50.7, -2.1
OS grid ref: SY9897