Alan Meerow miaam@ars-grin.gov
Tue, 27 May 2003 16:38:57 PDT

No South American Themidaceae.  Strictly Southwestern and Western U.S. and
Mexican.  There is no true Brodiaea in Chile.  All the Chilean onions are
still onions.

Alan W. Meerow, Ph.D., Research Geneticist, Systematist and Curator
USDA-ARS-SHRS, National Germplasm Repository
13601 Old Cutler Road, Miami, FL 33158 USA
voice: (305) 254-3635   fax: (305) 969-6410
email: miaam@ars-grin.gov
WWW page: http://ars-grin.gov/ars/SoAtlantic/…

----- Original Message ----- 
From: "Jane McGary" <janemcgary@earthlink.net>
To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
Sent: Tuesday, May 27, 2003 12:41 PM
Subject: Re: [pbs] Dichelostemma--TOW

> Like Mark McDonough, I was wondering about the Themidaceae. Is it to
> include some South American genera too? There is (or was when my reference
> book was written) at least one actual Brodiaea in Chile (B. porrifolia),
> along with Leucocoryne, Fortunatia (which has a raceme, not an umbel), and
> some others that may be closer to Allium, such as Tristagma. And where
> Nothoscordum end up (other than in the garden where we wish it were not)?
> Jane McGary
> Northwestern Oregon
> At 11:16 PM 5/26/2003 -0400, you wrote:
> >This genus [Dichelostemma] has been
> >considered to be a part of many different families including Alliaceae.
> >The Jepson Manual (1993) it was classified in Liliaceae. Recent work is
> >placing it in a new family, Themidaceae, which includes other California
> >genera (Androstephium, Bloomeria, Brodiaea, Muilla, and Triteleia.)
> >
> >Can somebody cite a definitive technical paper that defines the
boundaries of
> >Themidaceae.  I'm aware of the existance of this new family, particularly
> >regard to pulling Triteleia and Brodiaea out of Alliaceae, but this is
> >first I've heard that Muilla is also swallowed up by Themidaceae.  What
> >are the
> >defining characteristics that separate the Themidaceae from Alliaceae? I
> >to be convinced, because the evidence I've evaluated thus far seems less
> >convincing (regarding the very existance of Themidaceae).  Regarding
> >this is an anagram of Allium (of which there are several) to describe a
> >closely
> >allied genus (Muilla is Allium backwards).  So it's ironic indeed, that
> >an ally is moved out of Alliaceae, don't you think?
> >
> >Mark McDonough        Pepperell, Massachusetts, United States
> >antennaria@aol.com    "New England"               USDA Zone 5
> >==============================================
> > >> web site under construction - http://www.plantbuzz.com/ <<
> >      alliums, bulbs, penstemons, hardy hibiscus, western
> >             american alpines, iris, plants of all types!
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