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I can say that my various Dracontium (prancei,
polyphyllum, 2 no-IDs from Brasil, 1 no-ID from Ecuador (too young) and one
no-ID from who knows where) that I have had for between 3 and 5 years (with a
couple of exceptions) have never flowered except the prancei once after a
dormancy. They have all stayed virtually evergreen except for maybe a
month here and there (3 dormant now) and so far no influorescence. The
prancei has produced a nice petiole this summer in nearly full sun that is 1.3 m
tall and the largest polyphyllum has a petiole approximately 0.8 m tall and
still emerging (this is the second petiole on the tuber after a short
dormancy). Mine obviously rarely flower, and this could be my growing
conditions, but honestly, just like Amorphs, I think the petiole and leaf is the
real reason to grow them :o)
I really wish this genus was more widely grown so
we could all try a few additional species!! I find the offsets very tough,
but once they get a bit of size on them I find them to be quite enjoyable even
in my zone 6, no GH conditions. If anyone ever has any tubers they can
spare I'd love to hear about them :o)
Dan
Gibsonia, PA
----- Original Message -----
From:
j*@msn.com
To: aroid-l@gizmoworks.com
Sent: Sunday, October 04, 2009 8:37
AM
Subject: Re: [Aroid-l] Dracontium
amazonense
Dear Friends,
My thoughts on this interesting question
are that no, when the plant reaches some point in its growth cycle, even
without dormancy, it will bloom. This is NOT a tested and
proven fact, just my opinion!
Wilbert, your thoughts??
Good
Growing,
Julius
Date: Thu, 1 Oct 2009 23:08:05 -0700
From: i*@yahoo.com
To:
aroid-l@gizmoworks.com
Subject: Re: [Aroid-l] Dracontium amazonense
Is a dormant period required for a flower?
I refuse
to participate in the in the
recession.
--- On Thu, 10/1/09, ju-bo@msn.com
<ju-bo@msn.com> wrote:
From:
ju-bo@msn.com <ju-bo@msn.com>
Subject: Re: [Aroid-l]
Dracontium amazonense
To: aroid-l@gizmoworks.com
Date: Thursday,
October 1, 2009, 1:36 PM
Dear Vincent and Scott, Some species of tuberous aroids, even
in genera such as Amorphophallus, Dracontium and Arisaema, in
which most species in GENERAL go dormant, have species which
grow in perpetually ''wet'' areas, these do no NEED to go
dormant.. Let the species name ''amazonense'' tip you
off! There seldom is a dry period in the Amazon region
where this species occurs naturally! There are a few other
species of Dracontium (D. spruceanum comes to mind) which can be grown
year-long with no dormant period. One can ''force'' dormancy by
letting the pot dry out, but most growers would not recomend
this. The late Lynn Hannon was one who had them grow all year,
keeping them moist. Good
Growing, Julius Julius
From: scott.taylor@brevardparks.com Date: Thu, 1 Oct 2009 15:34:11
-0400 To: aroid-l@gizmoworks.com Subject: Re: [Aroid-l]
Dracontium amazonense I have had this species for some time,
and I see no pattern to dormancy, which sometimes never occurs, at
least here in Florida. I have heard that drying them out will induce
dormancy, but have never tried this?
dst
On Oct 1, 2009, at 2:03 AM, E.Vincent Morano wrote:
I have a
Dracontium amazonense that I wrote about before. Now it has
grown a new leaf alongside the one it had all season. I
thought these grew durring the year and then went dormant for
the winter months. So first should it be growing a new leaf (a
bigger one at that) and second when should/how should I let
/make it go dormant?
Thank you.
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D. Scott Taylor, Ph.D.
Brevard County Environmentally Endangered Lands Program
91 East Dr.
Melbourne, Florida 32904
tel: 321.255.4466
FAX: 321.255.4499
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