What does the cryptic crossword clue "Extremely precise (4)" mean?

This cryptic clue uses wordplay to arrive at the answer. Visit the page for progressive hints — definition, wordplay type, and a full step-by-step explanation.

Extremely precise (4)

Telegraph #28798 | 14 Across | 2018-07-23 flower

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Also seen in

Times Sunday #5024 (2022-09-11)