Calochortus minimus/nudus/hybrid/

Kipp McMichael kimcmich@hotmail.com
Mon, 18 Sep 2017 18:07:10 PDT
Greetings,


  Flower size is a very plastic character - and this year's flowering season has gotten a later-than-usual start so that character may not be particularly informative for this season's bloom. A hybrid would be possible considering he ranges of the 2 taxa overlap at Lassen... but the flower itself looks like a somewhat pale C. nudus.


  Calochortus always show a broad variation within species when it comes to flower color and size and form. In the case of flower color, the age of the flower as well as temperatures when the flower is open can determine coloration. I mention this because finding an atypical flower is often expected for a species rather then necessarily being evidence for hybridization. That said, hybrids are common too.


  I would wager Lassen hosts both C. minimus and C. nudus (and given the similarity of the taxa, observations may have already been made but mis-identified - this is very common for Calochortus).


-|<ipp


________________________________
From: pbs <pbs-bounces@lists.pacificbulbsociety.net> on behalf of Michael Drake <drakee52@gmail.com>
Sent: Monday, September 18, 2017 5:51 PM
To: Pacific Bulb Society
Subject: Re: [pbs] Calochortus minimus/nudus/hybrid/

Kipp,

I live on the East Coast so I have no prior experience of either species.
 These plants appear more consistent with C minimus in size - very small -
and colour based on pictures and plant descriptions I have seen.

The park biologist at Lassen suggested the possibility of a hybrid as he
indicated these two species are known to hybridise.

Michael Drake

On Mon, Sep 18, 2017 at 8:05 PM, Kipp McMichael <kimcmich@hotmail.com>
wrote:

> Greetings,
>
>
>   These look to be C. nudus to me. C. minimus is usually pale white. The
> ranges of both are certainly close to Lassen. What makes you think they may
> be C. minimus or a hybrid?
>
>
> -|<ipp
>
>
> ________________________________
> From: pbs <pbs-bounces@lists.pacificbulbsociety.net> on behalf of Michael
> Drake <drakee52@gmail.com>
> Sent: Monday, September 18, 2017 3:07 PM
> To: pbs@lists.pacificbulbsociety.net
> Subject: [pbs] Calochortus minimus/nudus/hybrid/
>
> Hello,
>
> We recently had the good fortune to spend a few days at Mt Lassen National
> Park in northern CA.
>
> On August 20th, on the trail from Cold Boiling Lake to Crumbaugh Lake, I
> saw the attached Mariposa Lilies.
>
> They were growing along a wooded, partially sunny trail a little below
> 7000'.
>
> As far as I can tell, they are C minimus, Sierra Mariposa Lily.
>
> However the plant list for the park only lists C. nudus, Naked Mariposa
> Lily.
>
> The park naturalist indicates that without a specimen, it is impossible to
> tell whether this is a new species for the park (C minimus),
> or a hybrid of C minmus and C nudus.
>
> Do any of you have any thoughts on this?   I could not find anything
> published online about hybrids of these species and how to identify them.
>
> Any help would be appreciated.
>
> Michael Drake
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