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randyd randyd at ioa.com
Wed Nov 19 20:36:30 EST 1997

I attend East Tennessee State University. We have ginkgo trees in the
courtyard of our science building. We have both male and female trees.
And YES, the female parts DO smell bad. A small price to pay for such
a beautiful tree!
randyd at ioa.com

On 19 Nov 1997 06:06:25 -0800, koning at ECSUC.CTSTATEU.EDU (Ross Koning)

>At 8:58 PM -0500 11/18/97, CHRISTINA ADAMS wrote:
>>hi, does anyone have any information on the ginkgo tree?  I am curious
>>about any aspect of it.  Also, i heard that it produces sperm in order to
>>reproduce.  If anyone has any information regarding this, it would be
>>helpful.  Thanks!
>Hi Christina!
>Indeed Ginkgo is a wonderful plant.  A gymnosperm with
>broad leaves...and winter hardy to boot.  It thrives
>in urban pollution.  Its fan-shaped leaves turn bright
>yellow in the autumn and drop almost in unison...a
>glorious event if you are lucky to see it.  The male
>trees indeed produce wind-carried pollen.  The female
>trees produce large ovules.  All true plants produce
>both egg and sperm...ginkgo is no exception.  The ovules
>after pollination fall to the ground and syngamy occurs
>on the ground.  The embryo overwinters and matures inside
>the ovule.  The seeds germinate in the spring/early summer.
>The ovules do produce butyric acid after they fall.  That
>acid has a disagreeable odor (rotted milk?)...so many
>nurseries will only sell you a male...many cannot supply
>a female even upon request.  I fear that except on college
>campuses there will be no female ginkgo trees on the planet.
>Ross Koning                 | koning at ecsu.ctstateu.edu
>Biology Department          | http://koning.ecsu.ctstateu.edu/
>Eastern CT State University | phone: 860-465-5327
>Willimantic, CT 06226 USA   | fax: 860-465-4479
>Electronic services composed and served from =95Macintosh hardware.

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