Sinking Brunsvigia
Hannon (Wed, 12 Dec 2007 23:51:00 PST)
Tim,
Whatever the evidence employed, once substantiated monophyletic groups are
worked out then the rank of those groups becomes "academic". Hence the
subjective nature of taxonomic schemes and hence the everlasting hope of
armchair botanists for more suitable arrangements.
Dylan
On Dec 12, 2007 9:45 PM, Tim Harvey <zigur@hotmail.com> wrote:
Oh, I see another genus akin to Euphorbia in the making! I believe some
investigation of these relationships have been done at the DNA level, though
I regard such data as important as other physical descriptors.
T> Date: Wed, 12 Dec 2007 19:40:02 -0800> From: othonna@gmail.com> To:
pbs@lists.ibiblio.org> Subject: Re: [pbs] Sinking Brunsvigia> > Leo, Jim--
I've also felt it would be sensible to at least consider this> merger. They
are separated by seemingly non-profound details of the seeds> and the leaves
with midrib (Amaryllis) or without (Brunsvigia), whereas the> traits in
common are overwhelming. Is morphological homogeneity important in> defining
genera? How important?> The same applies to the seemingly artificial
distinction of Hessea from> Strumaria, based on somewhat variable character
states. Carpolyza has> already been lumped under the latter. I suppose the
taxonomists are happy to> rely more on molecular data when the going gets
tough regarding when to> split and when to lump.> Dylan> > On Dec 12, 2007
1:23 PM, Leo A. Martin <leo@possi.org> wrote:> > > > One other way to get
more species: given the easy "hybridization" of> > > Amaryllis and
Brunsvigia, I've long been wait
ing for someone to combine> > > those genera: the plants have already
done it, now it's time for the> > > taxonomists to catch up.> > >> > > Jim
McKenney> >> > That would be great! Amaryllis (1753) is so much easier to
grow than> > Brunsvigia (1755)!> >> > Leo Martin> > Phoenix Arizona USA> >>
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