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Tony,
I am not saying it is 100%, all I can say is that
types plants of heterochroma and bicolor that I have seen in China fall pretty
incontrovertibly into fallax sens. lat. They are all notable for the
pencil-diameter stolons that do not branch much, the thin-textured leaves that
are often (but by not means always) dark-variegated and the rather dull yellow
to prurpe-brwon-tinged inflorescences.
Into this stew you need to add C. affinis which in
nature is readily identifiable by always grwoing on near-vertical mud waterfalls
and river banks with flowing water and in nature and cultivation by the very
slender (almost wire-thin) much branching stolons. Colocasia affinis is
also USUALLY of much smaller stature than fallax sens lat. although big
plants of afiinis can be larger and as robust as small-end
fallax while large end fallax can be mistaken as rather
weakend esculenta.
As to mlecular analyses of this group, as far as I
am aware nothing is underway.
Very best
Peter
----- Original Message -----
From:
t*@plantdelights.com
To: aroid-l@gizmoworks.com
Sent: Friday, October 12, 2007 12:40
AM
Subject: Re: [Aroid-l] C. 'Fontanesii' id
- Pete's id
Pete:
Say it ain't so. C. 'Illustris' is a
selection of C. fallax? Are you also saying that C. heterochroma now
gets dumped into C. fallax also? Obviously, I must have slept while the
taxonomists worked. Has someone completed the DNA-based phylogeny of colocasia
yet?
Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, North Carolina 27603 USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email t*@plantdelights.com
website http://www.plantdelights.com
phone 919 772-4794
fax 919 772-4752
"I consider every plant hardy until I have killed it myself...at least three times" - Avent
Peter
Boyce wrote:
Tony,
I have seen rather a few similar but different
things labeled as Illustris. But my feeling is that this is C. fallax
(including C. bicolor and C.
heterochroma).
Pete
-----
Original Message -----
From:
t*@plantdelights.com
To:
aroid-l@gizmoworks.com
Sent:
Tuesday, October 09, 2007 3:42 AM
Subject:
Re: [Aroid-l] C. 'Fontanesii' id - Pete's id
Pete:
Before I delve into what I'm sure is some
great bedtime reading, do you remember where Colocasia 'Illustris'
landed. This one never seemed to quite fit comfortably into C.
esculenta.
Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, North Carolina 27603 USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email t*@plantdelights.com
website http://www.plantdelights.com
phone 919 772-4794
fax 919 772-4752
"I consider every plant hardy until I have killed it myself...at least three times" - Avent
Peter
Boyce wrote:
Tony,
There are a number of new taxa involved in this complex. I have seen some of
the mss (reviewed a couple) but not all. The refs are:
Colocasia gaoligongensis H.Li & C.L.Long -- Feddes Repert. 110(5-6): 423.
1999 (IK)
Colocasia gongii C.L.Long & H.Li -- Feddes Repert. 111(7-8): 559. 2000 (IK)
Colocasia lihengiae C.L.Long & K.M.Liu -- in Bot. Bull. Acad. Sin. (Taipei)
42(4): 313 (2001). (IK)
Colocasia tibetensis J.T.Yin -- Ann. Bot. Fenn. 43(1): 53 (-56; fig. 1).
2006 [13 Mar 2006]
Colocasia yunnanensis C.L.Long & X.Z.Cai -- Ann. Bot. Fenn. 43(2): 139
(-142; fig. 1). 2006 [26 Apr 2006]
In addition there are a couple of obscure names that need to be accounted
for:
Colocasia fontanesii Schott -- Oesterr. Bot. Wochenbl. 4: 409. 1854 (IK)
Colocasia formosana Hayata -- Icon. Pl. Formosan. 8: 133. 1919 [25 Mar 1919]
(IK)
Colocasia konishii Hayata -- Icon. Pl. Formosan. 8: 134. 1919 [25 Mar 1919]
(IK)
Colocasia kotoensis Hayata -- Icon. Pl. Formosan. 5: 247. 1915 [25 Nov 1915]
(IK)
Colocasia tonoimo Nakai -- in Ic. Pl. As. Or. iii. 231 (1940). (IK)
Very best
Pete
----- Original Message -----
From: "Tony Avent" t*@plantdelights.com
To: "Discussion of aroids" aroid-l@gizmoworks.com
Sent: Monday, October 08, 2007 6:24 AM
Subject: Re: [Aroid-l] C. 'Fontanesii' id - Pete's id
Pete:
I checked the flowers on our C. 'Fontanesii' and indeed the spathes do
open quite a bit wider than the C. esculenta cultivars that we grow.
Can you direct us to an article about the C.gaoligongenis/lihengiae
complex. We found plants in Vietnam that seem to resemble C.
gaoligongensis, but these look nothing like C. 'Fontanesii'. Please,
tell us more.
Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, North Carolina 27603 USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email t*@plantdelights.com
website http://www.plantdelights.com
phone 919 772-4794
fax 919 772-4752
"I consider every plant hardy until I have killed it myself...at least
three times" - Avent
Peter Boyce wrote:
Tony,
I am pretty sure that the 'Fontanesii' cultivar of C. esculenta is
somewhere
in the gaoligongenis/lihengiae complex defined by glossy leaves and a
loosely stolonifeous habit combined with a short deep yellow spathe that
opens rather wide.
Very best
Peter
----- Original Message -----
From: "Tony Avent" t*@plantdelights.com
To: "Discussion of aroids" aroid-l@gizmoworks.com
Sent: Saturday, October 06, 2007 10:23 PM
Subject: Re: [Aroid-l] C. 'Fontanesii' id - Pete's id
Peter:
I almost missed your note about C. 'Fontanesii' not being a form of C.
esculenta. Sorry to open a can of worms, but if it's not C. esculenta,
what is it and why?
Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, North Carolina 27603 USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email t*@plantdelights.com
website http://www.plantdelights.com
phone 919 772-4794
fax 919 772-4752
"I consider every plant hardy until I have killed it myself...at least
three times" - Avent
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