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    Sakugoro Hirase observed swimming sperm (motile spermatozoids) for the first time in the seeds of a female Ginkgo tree growing in the Botanical Garden of the University of Tokyo in Japan on September 9, 1896. Hirase proved that the Ginkgo had an intermediate position between ferns and conifers and therefore Professor M. Engler established a new family Ginkgoacea (1897), order Ginkgoales (1898).

    Tokyo, Japan

    Tokyo, Japan

    Cherry trees in Tokyo, Japan

    Tokyo, Japan


    Beautiful Tokyo, Japan

    Bamboo Forest JAPAN*

    Meguro, Tokyo, Japan

    Brazilian Grape Tree (also known as Jabuticaba) does not use branches to grow fruits. It grows fruits (and flowers) directly on the trunk.

    The dancing trees by hknatuurfoto (Hans Koster) on Flickr as seen on


    Robada apricots on tree


    ferns, captured by Sonja Lyon Photography


    count the rings on a tree stump -- and that's how old the tree is

    White Desert by Adonis Werther, via Flickr

    Sanddunes of the Namib

    Lucky charm, Fountainhas, Panjim, Goa, by Niall Corbet