[NatureNS] New York Aster flowers?

Date: Wed, 29 Oct 2008 20:20:28 -0300
From: Anne Mills <ocotillo@ns.sympatico.ca>
To: naturens@chebucto.ns.ca
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The flowers are Aster novi-belgii, New York Aster.  Cheers, Anne


----- Original Message ----- 
From: "Steve Shaw" <srshaw@dal.ca>
To: <naturens@chebucto.ns.ca>
Sent: Wednesday, October 29, 2008 7:46 PM
Subject: [NatureNS] New York Aster flowers?


> 28 October:    I recently collected some insects from one of the few 
> flower sets that are still in bloom in late October, most recently near 
> York Redoubt in Halifax, and would like a tentative ID for this plant.  
>  The flowers are 2-3 cm across, have pale blue-violet petals (rays) 
> with a yellow central disk, multiple heads per stalk and simple 
> blade-like leaves.  They are very common in clumps at the roadside and 
> on unused land and look like what I used to call michaelmas daisies.   
> I counted about 25 petals per head though they are looking quite beaten 
> up by this date, so perhaps had a few more petals originally.
> 
> As a non-botanist, I think these are most likely asters,  either New 
> York Aster (Symphotrichum novi-belgii), with New England Aster 
> (Symphotrichum novae-angliae) less likely -- that species should have 
> ~40 petals per head.   Maybe this info is not much to go on for a 
> possible ID, but does it sound like a reasonable guess, or is there 
> something else out there that I should be considering instead?
> 
> Any suggestions welcome, including "get yourself a decent flower-ID 
> book".
> 
> Steve
> Halifax
>

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