Hippeastrum ID query

James SHIELDS jshields46074@gmail.com
Tue, 13 Jan 2015 07:30:45 PST
"2n" just means just the whole set of chromosomes in the plant's cells.
For a diploid of 2n=22 species, the triploids have a total of 33
chromosomes per cell, so 2n=33 for those triploid sorts.  It also suggests
why most triploids and why petiolatum with 2n=77 do not often set seeds.

Jim S.

On Tue, Jan 13, 2015 at 12:49 AM, Leo Martin <stnalpsoel@gmail.com> wrote:

> > 2n = 77
>
> ? New math ?
>
> Leo Martin
> Zone ?
> Phoenix Arizona USA
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James Shields             jshields46074@gmail.com
P.O. Box 92
Westfield, IN 46074
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