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  Arum maculatum
From: grsjr at juno.com (George R Stilwell, Jr.) on 1997.10.23 at 18:32:40(1482)
Gene & Jan,

Peter Boyce doesn't list an Arum maculata in his book, nor have I heard
of it. Are you sure you
don't mean Arum maculatum? I believe hort. latin demands "um" for Arum
rather than "a".

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From: "Peter Boyce" <P.Boyce at lion.rbgkew.org.uk> on 1997.10.24 at 06:38:33(1487)
Dear Folks

I saw Ray's email apropos A. maculatum/maculata and had to add that I
don'i describe 34 forms of maculatum; quite the opposite, I discarded
that many (more, infact) superfluous taxa!

Pete

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From: genebush at munchkinnursery.com on 1997.10.24 at 09:29:54(1497)
Ray,
Thanks for the correction. Should have checked before sending the
message. No spell checker for Latin. I was, indeed referring to Arum
maculatUM. I have not seen the book by Peter, only have the 3 pages in
Deni Brown's book. Could you please post the full name of the book and
the author along with information for purchasing the book you are
referring to here?
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From: grsjr at juno.com (George R Stilwell, Jr.) on 1997.10.27 at 07:37:18(1506)
Gene,

The Genus Arum, Peter Boyce, London HMSO, ISBN 0 11 250085 4.

You can get it from Balog Scientific Books 1-217-355-9331 but I got mine
from

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From: MJ Hatfield <oneota at ames.net> on 1997.10.27 at 11:45:31(1508)
Gene,
It took quite a while for interlibrary loan to come up with the book,
"The Genus Arum" by Peter Boyce (A Kew Magazine Monograph, The Royal
Botanic Gardens, Kew) but once I saw it I HAD to have it. You'll love
it. Informative and the illustrations are fantastic.
MJ Hatfield

From: "Julius Boos" <ju-bo at classic.msn.com> on 1997.10.27 at 11:57:30(1510)
----------
Sent: Friday, October 24, 1997 11:29 AM
To: ju-bo@msn.com
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From: Tony Avent <tony at plantdel.com> on 1997.12.01 at 14:43:59(1678)
Peter Boyce or other Arumettes:

We are growing a number of arums, and are thoroughly confused with
Arum maculatum. None of the plants that we are growing as A. maculatum are
solid green or spotted black. They are all patterned with silver. Could I
assume that all of these are actually A. italicum or hybrids between the two.

Also, I got two specimens labeled A. maculatum 'Variegated' from
Pontzyfield Herb Nursery in Scottland. They appear to be classic heavily
silver patterened A. italicum except that they never went dormant this past
summer when all others died down. They still look great now...what is
happening?
Tony Avent

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From: "James W. Waddick" <jim-jim at swbell.net> on 1997.12.03 at 06:03:58(1692)
>Peter Boyce or other Arumettes:
>
> We are growing a number of arums, and are thoroughly confused with
>Arum maculatum. None of the plants that we are growing as A. maculatum are
>solid green or spotted black. They are all patterned with silver. Could I
>assume that all of these are actually A. italicum or hybrids between the
>two.

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From: "Peter Boyce" <P.Boyce at lion.rbgkew.org.uk> on 1997.12.03 at 06:17:59(1694)
Dear Tony

The really crucial question is when do your plants break growth. Arum
italicum emerges in late summer/early fall and remains in leaf
until latel June/July. Occasionally the new leaves will emerge while
a few tattered leaves of the previous season remain.

Arum maculatum emerges in winter to late winter (it's JUST beginning
to show in southern England) and is generally gone completely by late
May.

I've NEVER seen a truve A. maculatum with silver veining; always
either plain green or variously spotted. Your plants are probably
rither A. italicum ssp. italicum (which is HORRIBLY variable) or
hybrids between this and A. maculatum.

Pete

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From: Tony Avent <tony at plantdel.com> on 1997.12.03 at 09:11:07(1696)
Pete:

Thanks...I think you have solved an identitiy problem for a lot of
us with "silver patterned A. maculatum".
Tony Avent

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