Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Kubereka kwembeu dzeginkgo kunoitika kupfurikidza nembeu dzesperm dzinoshanda, sezvinongoitika mucycads, ferns, mosses uye algae. Mazai acho akakura (anenge 70<unk>90 micrometers) uye akafanana nembeu dzemakwati, idzo dzakakura zvishoma. Mbeu dzeginkgo dzakatanga kuwanikwa nenyanzvi yezvirimwa yokuJapan Sakugoro Hirase muna 1896. Mbeu dzomurume dzine chimiro chakaoma kunzwisisa chine matanda akawanda, chinova chiuno chisingachinji chemiviri yepasi inoumba hwaro hwezviuru zvinoverengeka zveflagella izvo chaizvoizvo zvine kufamba kwakafanana nechilia. Chishandiso cheflagella/cilia chinodhonza muviri wesperm mberi. Mbeu dzomurume dzine chinhambwe chiduku bedzi chokufamba kuenda kuarchegonia, iyo inowanzova miviri kana kuti mitatu. Mbeu mbiri dzinoberekwa, imwe yadzo inobudirira kunyorovesa zai. Kunyange zvazvo vakawanda vachifunga kuti mbeu dzeginkgo dzinobata pamuviri dzisati dzadonha mumatsutso kana kuti dzangodonha, mazai acho anowanzovapo mumbeu dzacho dzisati dzadonha mumuti kana kuti dzangodonha.  Mubvunzo: Ginkgo spern yakawanikwa mugore ripi?
Muna 1896