_D.binata_ * _capensis_

Jan Schlauer (zxmsl01@studserv.zdv.uni-tuebingen.de)
Wed, 24 Nov 1993 11:10:58 +0100

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It certainly would be worth an experiment to see if _Drosera_binata_ can be
crossed with _D.capensis_. These two species are not related to each other
very closely phylogenetically. Indeed, they belong to different subgenera
(at least in my system).

If that experiment fails, one explanation could be genetical
incompatibility, e.g. _D.binata_ has 2n=32 chromosomes (or sometimes, in
tetraploid individuals 4n=64), whereas _D.capensis_ has 2n=40 (the older
results of 2n=36/38 being wrong).

Try it, and please don't forget to report your results!

BTW: Did your experiments crossing _D.lanata_ (hypertriploid, 3n+1=19) with
related species (2n=12) result in seed, Barry? If yes, did it germinate?

Kind regards
Jan

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