Southerners sometimes call peanuts 'longevity fruit'.
Tips
culture
The peanut is associated with longevity in Chinese folk culture, partly because the plant produces over a long season and the name 长生 (long life) doubles as a blessing - peanuts often appear at weddings and birthdays.
register
Dialectal/literary. The everyday word is 花生; 长生果 is more common in southern dialects, recipe books, and traditional medicine writing.
