What does the cryptic crossword clue "Rise in current is correct (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.

Rise in current is correct (4)

Telegraph #29118 | 26 Down | 2019-08-01 flower

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Also seen in

Guardian Cryptic #27299 (2017-09-11)