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Botany online: History of discovery - spermatozoids - Ginkgo biloba - Cycas revoluta |
 | | He carried on investigations on Cycas revoluta, since 1895, in order to observe the structure and development of sexual organs, especially the process of fertilization and embryo formation, which was investigated to some extent by others, such as Treub (1881, 1884) and Warming (1877, 1879), in some species of the Cycadaceae. |
 | | Cycas revoluta was cultivated in Tokyo, but the seeds were not formed, as Tokyo was a little cold for fertihzation. |
 | | On the spermatozoid and pollen tube of Ginkgo biloba and Cycas revouta. |
| www.biologie.uni-hamburg.de /b-online/fo47/ginkgo/ogura.htm (1998 words) |
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