Trillium angustipetalum syn. T. kurabayashii

Paul Licht plicht@berkeley.edu
Tue, 19 Mar 2013 17:43:23 PDT
Our large stand of chloropetalum ranges from very white to rich purple. 
It is next to a stand of T. albidum which is all white. They are almost 
identical except for the anther filaments: white in albidum and pink to 
purple in chloropetalum

Paul Licht, Director
University of California Botanical Garden
200 Centennial Drive
Berkeley, CA 94720
http://botanicalgarden.berkeley.edu/

On 3/19/2013 5:03 PM, aaron floden wrote:
> Jane,
>
>   Which treatment takes this approach? The FNA treatment was written by case and recognizes those that are in his book as well.
>
>   My advisor and I have a phylogeny (mostly as evidence of a new species from Tennessee) coming out soon on Phyllantherum in the southeastern US, but it lacks all but the western albidum. I am looking for as many as possible of the western species and numerous populations of each if possible --- i do not want living plants though. This may help to clarify the nomenclature some.
>
>   I have never seen the type of chloropetalum, but the chloro- suggests that it is not purple.
>
>   Aaron
>
>   
>
> --- On Wed, 3/20/13, Jane McGary <janemcgary@earthlink.net> wrote:
>
> From: Jane McGary <janemcgary@earthlink.net>
> Subject: [pbs] Trillium angustipetalum syn. T. kurabayashii
> To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
> Date: Wednesday, March 20, 2013, 7:39 AM
>
> I was comparing some trilliums starting to flower in the garden under
> the names T. kurabayashii and T. chloropetalum, so I researched them
> online. I see that the name T. angustipetalum has superseded T.
> kurabayashii for red-flowered trilliums, and that T. chloropetalum is
> now apparently restricted to the whitish-flowered ones in California.
> Both are sessile trilliums. Around here most people grow a form of T.
> angustipetalum from southern Oregon, known at least for a long time
> as kurabayashii; it can grow very large, reaching at least 65 cm in
> flower, with huge leaves. I also have a plant sent me by my brother,
> who dug it up while planting apple trees in an orchard in Tuolumne
> County, California. It's considerably smaller than "kurabayashii" but
> is within what CalFlora defines as T. angustipetalum.
>
> Can one of our California flora experts tell me if the large Oregon
> population is the same as the smaller California one, or if it is
> considered a subspecies?
>
> Thanks,
> Jane McGary
> Portland, Oregon, USA
>
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