Re: Adelonema

Dear Tom and Peter,

Aloha.

Thank you for all this great work.  I find this a very interesting subject.  I also look forward to the publlication.  Please keep us advised.

Aloha,

Leland

From: Peter Boyce <phymatarum@googlemail.com>
To: 'Discussion of aroids' <aroid-l@www.gizmoworks.com>
Sent: Sunday, November 20, 2011 11:27 PM
Subject: Re: [Aroid-l] Adelonema
Hi Marek, and other aroid-l folks,
 
Tom as nicely summed up the situation; allow me to put some more meat on the bones.
 
 
We have two independent sets of molecular data that show convincingly that the Neotropical species currently assigned to Homalomena do not belong there NOR do they belong in Philodendron â as had been suggested by a previous study [Molecular phylogeny of the genus Philodendron (Araceae): delimitation and infrageneric classification - [Botanical Journal of the Linnean Society 156: 13â27] - Gauthier, Barabà & Bruneau 2008].
 
The âcoarseâ detail is a molecular clock study by Nauheimer et al, which gives dates the diversification of the Neotropical and Paleotropical clades at a minimum of ca 75 MYA.
 
The âfine detailâ comes from a molecular study weâve done in Malaysia as part of our work on the âtrueâ Homalomena species. This paper is in prep. now, a spin-off from the phylogeny work done by two of our Masterâs projects (Ng Kiaw Kiaw â who works on chemical profiling - and Hoe Yin Chen, whoâs working on pollination and floral fragrance analyses).
 
While Curmeria is âbetter knownâ, the earliest name is Schottâs Adelonema.
 
The published accepted names (<dates>) involved for the Neotropics are:
 
 
Adelonema
Schott
Prodr. Syst. Aroid.: 316
1860
[T] Adelonema
erythropus
(Mart. ex Schott) Schott
Prodr. Syst. Aroid.: 317
1860
Caladium
erythropus
Mart. ex Engl.
Fl. Bras. 3(2): 172
1878
Curmeria
Linden & AndrÃ
Ill. Hort. 20: 45, t.121
1873
Curmeria
picta
auct.
Gard. Chron., n.s., 1874: 92
1874
[T] Curmeria
picturata
Linden & AndrÃ
Ill. Hort. 20: 45, t.121
1873
Curmeria
roezelii
Mast.
Gard. Chron., n.s., 1874(2): 804
1874
Curmeria
wallisii
(Regel) Mast.
Gard. Chron., n.s., 1877(1): 108
1877
Homalomena
crinipes
Engl.
Bot. Jahrb. Syst. 37: 124
1905
Homalomena
erythropus
(Mart. ex Schott) Engl.
Pflanzenr., 55(IV.23Da): 130
1912
Homalomena
erythropus subsp. allenii
Croat
Aroideana 27: 131
2004
Homalomena
hammelii
Croat & Grayum
Phytologia 82(1): 37
1997
Homalomena
kvistii
Croat
Aroideana 27: 135
2004
Homalomena
moffleriana
Croat & Grayum
Aroideana 27: 137
2004
Homalomena
peltata
Mast.
Gard. Chron., n.s., 1877(?): 273
1877
Homalomena
picturata
(Linden & AndrÃ) Regel
Gartenflora 26: 33
1877
Homalomena
roezelii
(Mast.) Regel
Gartenflora 26: 33
1877
Homalomena
speariae
Bogner & Moffler
Aroideana 7: 37
1984
Homalomena
wallisii
Regel
Gartenflora
1877
Homalomena
wendlandii
Schott
Prodr. Syst. Aroid.: 308
1860
 
Bold non-italic text are currently accepted species. All of these names above in Homalomena will be combined into Adelonema. Tom has also three new species, and a new variety of H. (A.) crinipes.
 
Non-bold italics are synonyms
 
[T] = type species for the genus
 
Adelonema will comprise 16 taxa.
 
One additional Neotropical âHomalomenaâ, H. solimoensis G.M.Barroso [Arch. Jard. Bot. Rio de Janeiro 15: 89 1957] was moved to Philodendron by Eduardo as: Philodendron humile E.G.GonÃ.
 
Peter
 
 
From: aroid-l-bounces@www.gizmoworks.com [mailto:aroid-l-bounces@www.gizmoworks.com] On Behalf Of Marek Argent
Sent: Saturday, 19 November, 2011 2:26 AM
To: discussion of aroids
Subject: [Aroid-l] Adelonema
 
Hello,
 
Is Adelonema a valid genus? I've read about it in the "Ãberlist" published in the IAS homepage.
What species of Homalomena have been moved?
Can I find any document on the web?
 
Best,
Marek

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