Re: Philo mello-barretoanum

One should not assume plant hardiness based off of the nativity of a plant.
Sometimes you can guess from a plant's climate, but look at some plants that
in nature never receive freezing temperatures, yet are hardy in cultivation
where temperatures dip lower. I use the example of Macfadyena unguis-cati
(not an Aroid sorry), native to deep, mesic tropics, yet weedy even here in
Tucson, Arizona USA where plants have been subjected to temps in the low
teens without a problem. In fact neither does extreme drought seem  to be a
problem, or Round Up (I have known a few who did not want it in a spot due
to its tenacious growing habits (it will grow over about anything, houses,
trees, much like Boston, or English Ivy). When a plant is hardy sometimes it
is genetic selection for sure, however just because a plant has not been
selected for a certain trait in its environment doesn't mean it won't posses
that trait. Especially if there is not particular reason NOT to have cold
hardiness. I tend never to assume a plant is less hardy based off its
environment, especially if it related to a plant that is hardy.

Jared R. Shortman
Tucson Growers
(520) 882-7060
2509 N. Campbell #338
Tucson, AZ 85719

-----Original Message-----
From: Bob Riffle <>
To: <>
Date: Friday, June 12, 1998 5:55 AM
Subject: Philo mello-barretoanum

>Neil, I'd much appreciate knowing P. mello-barretoanum's taxonomic
>status now.  Seems to me it couldn't be (whether it's to be in-
>cluded in P. bipinnatifidum or no) nearly as hardy to cold as is
>the latter species, because its native habitat is, as I understand
>it, so much farther north of pinnatifidum.
>Thanks ....

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