Re: Another question about Allium triquetrum
- Subject: Re: Another question about Allium triquetrum
- From: J* M*
- Date: Mon, 25 Feb 2002 13:16:50 -0800
Michael,
It sounds to me like you have something other than Allium triquetrum. The
species definitely DOES set seed--in profusion, it DOES NOT have top-set
bulbils, and for me it always has three-cornered blossom stems. I have not
seen anything like this, but from your description it sounds like it might
be a sterile hybrid between A. triquetrum and A. sativum.
John MacGregor
jonivy@earthlink.net
----------
>From: "michael larmer" <mlarm@hotmail.com>
>To: medit-plants@ucdavis.edu
>Subject: Another question about Allium triquetrum
>Date: Mon, Feb 25, 2002, 9:32 AM
>
> This species is a well established escape from cultivation here in
> Sacramento, Ca. However it rarely achieves its characteristic triangular
> stems unless given cultivated conditions and producing larger bulbs, so can
> be a little tough to ID if you are looking for
> that particular feature as a key.
>
> I have never seen it set seed, in fact it seems incapable of such, spreading
> instead by the mechanism of top set bulbils, not unlike
> the cultivated forms of top setting garlic.
>
> Does anyone out there understand the mechanism of why this is so, well
> enough to explain it to me? I presume that this is some sort of adaptive
> evolutionary response. Certainly it seems to have served
> this Allium well in its quest to conquer the world.
>
>
> Respectfully,
>
> Michael Larmer
> Sacramento
>
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