Okay, the axillary aspect makes far more sense, and fits withwhat I have growing and what I have seen in SE Asia.
I will see what I can find out for you on the beetles . . .
Christopher
D. Christopher Rogers
Senior Invertebrate Ecologist/ Taxonomist
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From:aroid-l-bounces@gizmoworks.com [mailto:aroid-l-bounces@gizmoworks.com] OnBehalf Of Peter Boyce
Sent: Wednesday, August 12, 2009 2:07 AM
To: 'Discussion of aroids'
Subject: Re: [Aroid-l] Alocaisa gageana
The Alocasia account for theFlora of Thailand will be in press by year end and should be published sometimefirst quarter 2010. There is a precursor paper: A review of Alocasia(Araceae: Colocasieae) for Thailand including a novel species and new species=E2=80=99records from S.W. Thailand. Thai For. Bull. (Bot.) 36: 1 =E2=80=93 17 (2008) butunfortunately I have no reprints as yet.
I should have said that the =E2=80=98pair=E2=80=99 ofinflorescences is an average; the important thing is actually the displacement,giving the inflorescence modules an leaf-axillary appearance.
Thanks for the offer of assistance withour freshwater crustacean queries; what we really need at the moment is acoleopteran taxonomist to help us with naming the beetles that we are trying toidentify!
Very best
Peter
From: aroid-l-bounces@gizmoworks.com[mailto:aroid-l-bounces@gizmoworks.com] On Behalf Of Christopher Rogers
Sent: 12 August 2009 01:58
To: 'Discussion of aroids'
Subject: Re: [Aroid-l] Alocaisa gageana
Fascinating!
Thanks, Peter! So, obviously I had a fewthings confused. I am glad to know you are working on the group, and I hopethat I can get a reprint when you publish.
You said that these plants send up apair of inflorescences. My A. odora and my A. macrorrhizos have sent up singleinflorescences, paired and sometimes three inflorescences. Am I seeingsomething different, or could this be ecophenotypic variation?
I really enjoy the genus Alocasia, and Ido want to learn all I can about the taxonomy. I appreciate your help, and ifyou ever need any help with freshwater crustacean taxonomy, let me know. I behappy to return the favor!
Thanks for the help!
Christopher
D. Christopher Rogers
Senior Invertebrate Ecologist/Taxonomist
((,///////////=3D=3D=3D=3D=3D=3D=3D<
ECOANALYSTS, INC.
1.530.383.4798
P.O. Box 4098
Davis, CA 95616
USA
UInvertebrate Taxonomy
IEndangered Species
EEcological Studies
EBioassessment
BInvasive Species
IPlankton
PPhycology
IDAHO =C2=B7 CALIFORNIA =C2=B7 MISSOURI =C2=B7PENNSYLVANIA =C2=B7 ONTARIO
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-----Original Message-----
From: aroid-l-bounces@gizmoworks.com[mailto:aroid-l-bounces@gizmoworks.com] On Behalf Of Peter Boyce
Sent: Sunday, August 09, 2009 11:53 PM
To: 'Discussion of aroids'
Subject: Re: [Aroid-l] Alocaisa gageana
Hi Christopher,
These trans-Himalayan large-leavedAlocasia are taxonomic beasts! I=E2=80=99ve
recently tackled the northern Thaispecies and this is the current status
for those that I investigated.
What you describe as gageana is almostcertainly odora; also it is very
likely that gageana is a syn. of odoraBUT the type (of gageana) is missing
(presumed desctroyed) from Berlin andEngler=E2=80=99s description is too incomplete
to pin the name.
What you have as odora (yellow spathe)is definitely A. navicularis.
Alocasia macrorrhizos is almostcertainly OK, but spathe colour is very
variable, from white, pinkish, purplish,and =E2=80=98yellow=E2=80=99 (actually somewhat
cream).
All of these species produce pairs ofinflorescences arising in the leaf
axil (actually terminal on a branchingmodule and then displaced by a new
leaf and thus appearing axillary.
Other names for the transhimalaya inthis =E2=80=98macrorrhizos/odora=E2=80=99 complex are:
Alocasia cadieri Chantrier, Rev. Hort.26: 326 (1939)
Alocasia cochinchensis, Pierre ex Engl.& K.Krause Pflanzenr., IV, 23E: 103
(1920)
Alocasia decipiens Schott, Bonplandia(Hannover) 7: 28 (1859)
Alocasia decumbens Buchet, Bull. Mus.Natl. Hist. Nat., II, 11: 417 (1939)
Alocasia evrardii Gagnep., Fl.Indo-Chine 6: 1150 (1942)
Alocasia fallax Schott, Bonplandia(Hannover) 7: 28 (1859)
Alocasia fornicata (Roxb.) Schott,Oesterr. Bot. Wochenbl. 4: 410 (1854)
Alocasia grandis Clemenc., Rev. Hort.1868: 380 (1868)
Alocasia grata Prain ex Engl. &Krause, Pflanzenr., IV, 23E: 93 (1920)
Alocasia hainanensis K.Krause,Pflanzenr., IV, 23E: 91 (1920)
Alocasia hainanica N.E.Br., J. Linn.Soc., Bot. 36: 183 (1903)
Alocasia lecomtei Engl., Pflanzenr., IV,23E: 90 (1920)
Alocasia liervalii H=C3=A9rincq, Hort.Franc.: 243 (1869)
Alocasia longifolia Engl. &K.Krause, Pflanzenr., IV, 23E: 103 (1920)
Alocasia montana (Roxb.) Schott,Oesterr. Bot. Wochenbl. 4: 410 (1854) -
almost certainly the correct name for A.hynosa
Alocasia putii Gagnep., Fl. Indo-Chine6: 1150 (1942)
Alocasia tonkinensis Engl., Pflanzenr.,IV, 23E: 91 (1920)
A LOT to do!
Alocasia robusta produces clusters of upto 20 inflorescences in the
=E2=80=98middle=E2=80=99 of the plant, with the entirecluster then =E2=80=98pierced=E2=80=99 by the newly
emerging leaf, and is not part of theabove complex, being closest to A.
puber, A. sarawakensis, etc.
Cheers
Peter
From: aroid-l-bounces@gizmoworks.com[mailto:aroid-l-bounces@gizmoworks.com]
On Behalf Of Christopher Rogers
Sent: 10 August 2009 03:40
To: Discussion of aroids
Subject: Re: [Aroid-l] Alocaisa gageana
Howdy, Pete!
I thought I had a handle on the largegreen, entire leaf margin Alocasia. My
understanding was that A. gageana had agreen erect spathe, leaf sinus
reaching petiole; A. odora has a yellowerect spathe, and; A. macrorhiza had
a reflexed yellow spathe, with the leafsinus not reaching the petiole. I am
not sure how A. robusta is separatedout. So, I am surprised to hear that A.
gageana is a nomen dubium. Can you helpme out on separating these beasts?
Cheers,
Christopher
D. Christopher Rogers
Invertebrate Ecologist
Telephone: 530.383.4798
EcoAnalysts, Inc.
PO Box 4098
Davis, CA 95616
USA
________________________________________
From: aroid-l-bounces@gizmoworks.com onbehalf of Peter Boyce
Sent: Sat 08-Aug-09 6:58 PM
To: 'Discussion of aroids'
Subject: Re: [Aroid-l] Alocaisa gageana
Hi Barbara
This will be almost certainly Alocasiamacrorrhizos in one of its numerous
colour forms. Alocasia gageana wasdescribed from northern Burma and is an
nom. dub.
Peter
From: aroid-l-bounces@gizmoworks.com [mailto:aroid-l-bounces@gizmoworks.com]
On Behalf Of Barbara
Sent: 07 August 2009 05:28
To: aroid-l@gizmoworks.com
Subject: [Aroid-l] Alocaisa gageana
I purchased a plant labeled as Alocasiagageana aurea variegata but think I
read somewhere that aurea is not theproper name. I did a search on the
Aroidean but did not find the correctname. I am a novice but would like to
make sure the names are correct. I wouldappreciate any help.
Barbara
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