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Hi all,
I think that GoBotany is the best plant ID resource for our area.
Broad-leaved cattail (/Typha latifolia/):
https://gobotany.newenglandwild.org/species/typha/latifolia/ ; has much
wider leaves than narrow-leaved cattail (/Typha angustifolia/):
https://gobotany.newenglandwild.org/species/typha/angustifolia/
I have also read that the narrow-leaved cattail and the hybrid have a
space between the staminate and pistillate part of the inflorescence
(2-4cm), while broad-leaved doesn't.
However, it can be difficult to distinguish these two from the hybrids
(at least in Ontario) because the hybrid tends to take on a variation of
traits from the adults.
this is also an interesting site for the comparison of the three
species:
http://www.bwsr.state.mn.us/wetlands/plantid/Forbs/scientific%20name/Typha%20compare%20cattail_comparison_08.pdf
it is very hard to distinguish these species in Ontario - we've found
that some individuals turn out to not follow these guidelines after
genotyping them in the lab.
I am going to collect leaf samples of my study specimens in NS and
genotype them in lab instead of just relying on these traits to ID them.
I hope this helps a bit.
I had another inquiry: I've read that the flowering times for cattails
in NS are between June 12-21 and between July 8-14. I'm guessing this is
because northern populations might flower later, but wondering if anyone
can confirm this. Also I'm wondering if anyone has any idea when
cattails flower in the Amherst area.
Best,
Kat
On Thu, May 4, 2017 at 7:24 PM, Fred Schueler <bckcdb@istar.ca
<mailto:bckcdb@istar.ca>> wrote:
On 5/4/2017 5:20 PM, Kathryn Tisshaw wrote:
Thanks for your reply! Do you have the coordinates of the
locations you found in 2010?
* yes, I've sent you the 29 records from NB and NS. I hope NatureNS
members can send you a lot more locations. For those not familiar
with the differences among Cattail species maybe Kathryn can suggest
a good identification page - simple googling just turns up only ugly
pages which don't distinguish the kinds very clearly.
fred.
=======================================================
It is really strange - one of the researchers here was in Nova
Scotia a
few years ago and said she only found one patch of /T.
angustifolia/
east of Quebec. I hope to find up to 10 sites so that I can
investigate
the habitat, flowering times, and pollen viability. We are
thinking we
might find some interesting results.
Thanks for your help,
Kat
On Thu, May 4, 2017 at 3:31 PM, Fred Schueler <bckcdb@istar.ca
<mailto:bckcdb@istar.ca>
<mailto:bckcdb@istar.ca <mailto:bckcdb@istar.ca>>> wrote:
On 5/4/2017 2:25 PM, Patrick Kelly quoted:
I am contacting Nature Nova Scotia because I am about
to embark on a
journey to Nova Scotia to study cattails. My thesis
involves
examining
differences between fertility and habitat preferences
between
broadleaf
cattail (Typha latifolia), narrow-leaved cattail (T.
angustifolia), and
their hybrid (T. x glauca) in Nova Scotia and the Great
Lakes
area. I
was wondering if there have been any recent
observations of the
non-native cattail, T. angustifolia. It seems like T.
angustifolia is a
lot rarer in Nova Scotia than in Ontario, and we want
to investigate
this strange phenomenon. This will help us in
understanding the
reproduction and habitat preferences of invasive
species. Please
let me
know if you know anyone who might know where the
non-native
cattail is
found.
* I've also been interested in this problem, and I
accumulated only
about a dozen locations for T. angustifolia in Nova Scotia
from our
travels there in 2010. The same condition holds in New
Brunswick,
where the uncommonness of T. angustifolia and hybrids is
considered
unexceptional by local botanists - e.g. Gart Bishop
<gartali@NBNET.NB.CA <mailto:gartali@NBNET.NB.CA>
<mailto:gartali@NBNET.NB.CA <mailto:gartali@NBNET.NB.CA>>> -
even while it
strikes those of us from Ontario as astonishing.
Going down the St Lawrence along the TransCanada, T.
angustifolia
continues to be abundant to Riviere du Loup, but once
you're over
the mountains to Edmundston it's uncommon all the way to
Annapolis
Royal.
fred schueler
Research Curator
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