Ginkgo mbeu yakatanga kuwanikwa neJapanese botanist Sakugoro Hirase muna 1896. Mbeu dzeGinkgo dzine chimiro chakaoma chakawanda-chinosanganiswa, inova bhandi rinoramba riripo remiviri yepasi inoumba hwaro hwezviuru zveflagella izvo zvine chiitiko chakafanana nechilia. Iyo flagella / cilia mudziyo inodhonza muviri mudiki wesperm kumberi. Mbeu dzeSperm dzine chinhambwe chete chekufamba kuenda kuarchegonia, iyo inowanzo kuve maviri kana matatu. Mbeu mbiri dzinogadzirwa, imwe yacho inobudirira kudyara zai. Kunyangwe zvichinzi kubereka kwembeu dzeGinkgo kunoitika nguva pfupi mushure mekunge mbeu dzeGinkgo dzadonha kubva pamuti kana kuti dzangowanikwa mumatsutso ekutanga egore. Mubvunzo: Chii chinowanzoitika mushure mekudonha?
Muna 1896