[NatureNS] Re: Pyrola info plus plant people question

Date: Fri, 05 Jul 2013 11:21:02 -0300
From: David Patriquin <patriqui@DAL.CA>
To: naturens@chebucto.ns.ca, nancypdowd@gmail.com
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Nancy: It also occurs in some orchids. Interesting recent research in  
this area, e.g.  Parallel evolutionary paths to mycoheterotrophy in  
understorey
Ericaceae and Orchidaceae: ecological evidence for mixotrophy in  
Pyroleae. Tedersoo et al., Oecologia (2007) 151:206217
Abstract at http://www.ncbi.nlm.nih.gov/pubmed/17089139

There's a lot going on belowground in our forests!

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[NatureNS] Pyrola info plus plant people question
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Date: Sun, 30 Jun 2013 06:04:49 -0300
From: nancy dowd <nancypdowd@gmail.com>
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After reading Ken McKenna's observation of a One-sided Pyrola I was
checking the Audubon Wildflower app trying to figure out what a Pyrola
was and came across this interesting bit of info under the Bog
Wintergreen (P. asarifolia) which also occurs in NS, albeit sparsely:

It said Pyrola species can have both leaved (photosynthesizing) and
leafless (saprophytic like Indian Pipe) forms of the same plant. They
gave the Bog Wintergreen above as an example, sometimes being just a
flower stalk above ground and at other times a flower plus leaves.
Quite a flexible way to ensure survival under different conditions.

Question: Is this common in flowering plants? I can't think of another
plant able to feed in both ways- it is usually one or the other.

Nancy

Sent from my iPhone




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