Re: [Aroid-l] Please help me with Arum IDs

From: "Peter Boyce" peterboyce at myjaring.net> on 2005.08.25 at 07:10:11(13316) Hi Paige Glad that I was able to be of help. To tackle your points one-by-on: dioscorides: The main problem is that in cultivation what folks are calling, e.g., cyprium, mostly do NOT match the original A. cyprium (which has a yellow-green spathe with discrete very deep purple spots and no spathe staining/flushing) and thus there is a double problem with scientific names are being misused as cultivar tags AND are being misapplied!The neatest answer with A. disocorides will be to recognize cultivars for the more distinct & stable colour expressions. elongatum: when I looked yesterday there were no images of true elongatum on your web - the images under nigrum were nigrum. The crucilal elongatum character is that the spadix appendix reaches to the tip of the spathe. orientale: Most on-line images are NOT orientale. Some are besserianum, some are gratum, a few are maculatum, one or two are cylindraceum (the new name for alpinum), yet others are italicum... I get about a dozen identification requests a week by email and about the same a month by letter. I LOVE doing ids. Keep 'em coming! Very best wishes Pete +More ----- Original Message ----- To: Sent: Thursday, August 25, 2005 11:50 AM Subject: Fw: [Aroid-l] Please help me with Arum IDs > To be corrected by Peter Boyce is a privilege.> > I received your answer this evening, Peter. Thank you for your help.> > Group, what do you think? Many horticultural selections of A. dioscoridis > have lost> their taxonomical distinction and been wrapped into one variable species.> Fine. But given that so many of the arums in horticulture are clones, is it> not perhaps useful to repeat their former names, e.g. "This is the plant> formerly known as var. spectabile"? Or does that just defer understanding > that variation is the norm?> > As for my elongatum glitch: Thank you for confirming it, Peter. It's > interesting how the mind keeps sifting. Already by this> morning, my sleeping brain had signalled, "Ah-ooga, ah-ooga!" Looking at my > web page, I realized that I had mixed up the images of nigrum and elongatum, > and> reposted the page.> > Peter, do other growers plague you with requests for names?> > If my orientale is orientale, some of the other orientales online must be > something else.> > I spent months in Borneo in the early 1980s, but was focused elsewhere. > Failed to differentiate the orchids or the> Araceae. Thought of them all as plants.> > Paige Woodward> paige@hillkeep.ca> www.hillkeep.ca> > > ----- Original Message ----- > From: "Peter Boyce" > To: "Discussion of aroids" > Sent: Wednesday, August 24, 2005 2:25 AM> Subject: Re: [Aroid-l] Please help me with Arum IDs> > > Hi Paige> > cf concinnatum is concinnatum x cyrenaicum> > dioscorides Spectabile Form is dioscorides var. dioscorides> > dioscorides var. cyprium is d. var. syriacum> > dioscorides var. cyprium Dark Form is d. var. dioscorides> > dioscorides var. philistaeum is aslo d. var. dioscorides.> > A. elongatum is A. nigrum> > A. orientale and all other names are correct> > Very best wishes> > Pete> > > ----- Original Message ----- > From: "Pacific Rim" > To: > Sent: Wednesday, August 24, 2005 5:31 AM> Subject: [Aroid-l] Please help me with Arum IDs> > >> Dear all: I have been struggling to give correct names to some Arums that>> are new to me. Yes, "The Genus Arum" is on my Christmas list. But>> meanwhile, if anyone would like to comment, on or offline, about the>> identity of any of the Arums on my website at>> http://www.hillkeep.ca/bulbs%20arum.htm, I would be grateful. I am open>> to>> corrections on every ID, but the ones that particularly worry me at the>> moment are:>>>> -- "Arum aff. concinnatum." Should this be concinnatum?>> -- all the A. dioscoridis group.>> -- A. orientale. The photo is of the plant. But does it look like>> orientale?>> If not, what do you think it is?>>>> With thanks,>>>> Paige Woodward>> paige@hillkeep.ca>> www.hillkeep.ca>>>> _______________________________________________>> Aroid-l mailing list>> Aroid-l@gizmoworks.com>> http://www.gizmoworks.com/mailman/listinfo/aroid-l>>> > > --------------------------------------------------------------------------------> > >> _______________________________________________>> Aroid-l mailing list>> Aroid-l@gizmoworks.com>> http://www.gizmoworks.com/mailman/listinfo/aroid-l>>> > _______________________________________________> Aroid-l mailing list> Aroid-l@gizmoworks.com> http://www.gizmoworks.com/mailman/listinfo/aroid-l> _______________________________________________ Aroid-l mailing list Aroid-l@gizmoworks.com http://www.gizmoworks.com/mailman/listinfo/aroid-l

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