Bedfordshire,
United Kingdom 
Agapanthus copied from FB A number of peduncles have fused together so the head of flowers is huge I am not sure how common this is in Agapanthus
16 Aug, 2020
Answers
its called fasciation and is not uncommon in many plants. it is often associated with damage to the developing part of the plant months ago.
16 Aug, 2020
Fasciation, yes, and in this case, with a beautiful result, that flower looks wonderful. May never happen again...
16 Aug, 2020
It’s a beauty!
16 Aug, 2020
thank you all
17 Aug, 2020
Previous question
« Can anyone identify what looks like POO on my lawn, there is lots of it
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16 Aug, 2020