The fruiting bodies of the male jelly-fig plant contain both male (pollen-bearing) and female flowers. But the female flowers on a male plant have shorter "styles" than do the flowers on a female plant, and this allows the female wasps 'ovipositors to reach into the flowers and lay their eggs in them.
由於愛玉公樹果實中的柱頭被「設計」的比較短，小蜂生殖器輕易的就能安放其間產卵，孕育寶寶，愛玉公樹也成了小蜂溫床。