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On 21/01/2011, at 11:56 AM, "Wilbert Hetterscheid" wrote:
> Peoples, more particularly Typhoniophiles,
>
> There is a lot going on in the systematics (taxonomy) of Typhonium. It is
> time I gave you a rundown of what has happened the last year when two
> significant but very contrary papers have appeared on Typhonium. As a very
> short first warning: Typhonium s.l. (sensu lato = in the wider sense) has
> been split up in 3 genera, Typhonium s.str. (sesu stricto = in the strict
> sense), Sauromatum (there it is again, resurrected) and "The Aussies".
> Matthew Barrett (mentioned on the website with the discussed Typhonium
> picture from Kimberley) is presently revising the Australian group, which
> turned out to be independent in evolutionary terms of Typhonium s.s.tr. and
> Sauromatum. Therefore this Aussie group will get a new name and the first
> name available for it is probably Lazarum, a genus published for L. mirabile
> by Alistair Hay, several years ago.
>
> What brought this about?
>
> You may remember that Peter Boyce and myself (Aroideana 23, 2000) considered
> on morphological grounds only, that Sauromatum and Typhonium were too much
> alike to be kept separate. Not to say that there were no differences at all
> but they seemed insignificant at the time (you see that I am trying to keep
> guilt at a minimum here....... :-). The molecular revolution in plant
> systematics has finally also reached Typhonium and in 2010 two papers on
> this subject were published within a few weeks of each other. First came:
>
> Cusimano, N., M.D. Barrett, W.L.A. Hetterscheid & S.S. Renner: A phylogeny
> of the Areae (Araceae) implies that Typhonium, Sauromatum, and the
> Australian species of Typhonium are distinct clades. TAXON 59 (2) . April
> 2010: 439-447.
>
> A few weeks later:
>
> Ohi-Toma, T., S. Wu, S.R. Yadav, H. Murata & J. Murata: Molecular Phylogeny
> of Typhonium sensu lato and Its Allied Genera in the Tribe Areae of the
> Subfamily Aroideae (Araceae) Based on Sequences of Six Chloroplast Regions.
> Systematic Botany (2010), 35(2): pp. 244-251.
>
> The basic conclusions of Cusimano et al. are that Sauromatum is not part of
> Typhonium and has to contain 9 species we now know mostly as Typhonium or
> Sauromatum (S. brevipes, S. brevipilosum, S. diversifolium, S.
> gaoligongense, S. giganteum, S. hirsutum, S. horsfieldii, S. tentaculatum,
> S. venosum). Another coclusion is that the endemic species of Australia are
> not closely enough related to Sauromatum or the remaining Typhoniums, to be
> part of either. So it will have to be a separate genus with its own
> evolutionary status. Matthew is presently revising all Aussies and when it
> is certain that Lazarum mirabile (renamed Typhonium mirabile by Peter and
> myself in 2000) also belongs to this group then the names of all Aussie
> Typhos will change to Lazarum. Let's wait for Matthew's work to be published
> and see. That leaves all other former Typhonium species as "proper"
> Typhonium.
>
> The Japanese paper is based on much less material and no Australian ones at
> all. The evolutionary diagram has a number of unresolved areas and
> unfortunately, the authors still felt it necessary to divide Typhonium s.l.
> in no less than 5 genera, of which three new ones, Diversiarum for T.
> diversifolium, T. alpinum), Pedatyphonium for T. horsfieldii, T. larsenii,
> T. kunmingense, T. calcicolum, T. omeiense (all these species in my own mind
> are one T. [Sauromatum as per Cusimano et al.] horsfieldii, and Hirsutiarum
> for T. hirsutum and T. brevipilosum (both Sauromatum acc. to Cusimano et
> al.). In short, where Cusimano et al. have expanded Sauromatum on the basis
> of a fully resolved evolutionary scheme, Ohi-Toma et al. found an unresolved
> scheme and still decided to create new genera for several Sauromatum
> species. A decision to create genera based on an unresolved evolutionary
> scheme is, to say the least, ill-advised. Unresolved evolutionary
> relationships await further analysis to create a more stable scheme and only
> then is it useful to make taxonomic decisions leading to changing
> nomenclature.
>
> To boot, the new generic names by Ohi-Toma et al. are all invalidly
> published because they made a crucial citation mistake with every one of
> them.
>
> The recently published English edition of the Flora of China follows the
> Cusimano et al. taxonomy and will stand as an authoritative publication.
>
> It is a pity that cooperation between the two groups which has been promoted
> by the Cusimano gang, was not answered by the Japanese-Indian group, or this
> situation could have been avoided.
>
> Anyway, you Typhoniophiles will have to adapt to this new taxonomy. Then
> again, good ol' Sauromatum venosum is back again!
>
> Cheers,
> Wilbert
>
>
>> -----Oorspronkelijk bericht-----
>> Van: aroid-l-bounces@gizmoworks.com
>> [mailto:aroid-l-bounces@gizmoworks.com] Namens arden dearden
>> Verzonden: vrijdag 21 januari 2011 5:19
>> Aan: Discussion of aroids
>> Onderwerp: Re: [Aroid-l] New aroid in western Australia?
>>
>> Steve,
>> Thank you for bringing this to our attention.
>> It appears to be an aroid that I saw in Kununurra in 1987
>> when I worked there.it appeared to be a Typhonium.There were
>> some new species described at the time by Alistair Hay.It may
>> already be described.It grew in thje loamy soil and only
>> appeared when the wet arrived.It grew with a native Tacca
>> which the aboriginal people used as a bush potato.They had no
>> recorded use of the Typhonium.
>>
>> Arden
>>
>> On 21/01/2011 10:07 AM, Steve Marak wrote:
>>> I've seen several web hits today on this topic, all of
>> which seem to
>>> wind up at the same text. The articles all call the plant an "arum
>>> lily", don't give a genus or other botanical information,
>> say that it
>>> was found in the Kimberly region by Matthew Barrett (Perth's Kings
>>> Park& Botanic Garden) along with other various new species in that
>>> remote area, and that the infloresence smells of burnt
>> electrical wire.
>>>
>>> Here's a representative link:
>>>
>>>
>> http://www.perthnow.com.au/news/western-australia/new-lily-found-in-ki
>>> mberley-smells-like-burnt-electrics/story-e6frg14u-1225991862095
>>>
>>> The picture is *an* aroid, but no idea if it's that aroid;
>> one of the
>>> other articles showed a picture of Zantedeschia aethiopica with the
>>> same text.
>>>
>>> Anyone happen to know more about this? I dug through the KP&BG web
>>> site a bit but didn't find anything.
>>>
>>> Steve
>>>
>>> -- Steve Marak
>>> -- samarak@gizmoworks.com
>>> _______________________________________________
>>> Aroid-L mailing list
>>> Aroid-L@www.gizmoworks.com
>>> http://www.gizmoworks.com/mailman/listinfo/aroid-l
>>>
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